2907042889 has 3 divisors (see below), whose sum is σ = 2907096807. Its totient is φ = 2906988972.

The previous prime is 2907042881. The next prime is 2907042893. The reversal of 2907042889 is 9882407092.

The square root of 2907042889 is 53917.

It is a perfect power (a square), and thus also a powerful number.

2907042889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 233325625 + 2673717264 = 15275^2 + 51708^2 .

It is not a de Polignac number, because 2907042889 - 2³ = 2907042881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2907042881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26959 + ... + 80875.

It is an arithmetic number, because the mean of its divisors is an integer number (969032269).

Almost surely, 2^2907042889 is an apocalyptic number.

2907042889 is the 53917-th square number.

2907042889 is the 26959-th centered octagonal number.

It is an amenable number.

2907042889 is a deficient number, since it is larger than the sum of its proper divisors (53918).

2907042889 is an frugal number, since it uses more digits than its factorization.

2907042889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107834 (or 53917 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The cubic root of 2907042889 is about 1427.1966349685.

Multiplying 2907042889 by its sum of digits (49), we get a square (142445101561 = 377419²).

The spelling of 2907042889 in words is "two billion, nine hundred seven million, forty-two thousand, eight hundred eighty-nine".