2152142877 has 4 divisors (see below), whose sum is σ = 2869523840. Its totient is φ = 1434761916.

The previous prime is 2152142869. The next prime is 2152142879. The reversal of 2152142877 is 7782412512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2152142877 - 2³ = 2152142869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152142879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358690477 + ... + 358690482.

It is an arithmetic number, because the mean of its divisors is an integer number (717380960).

Almost surely, 2^2152142877 is an apocalyptic number.

It is an amenable number.

2152142877 is a deficient number, since it is larger than the sum of its proper divisors (717380963).

2152142877 is an equidigital number, since it uses as much as digits as its factorization.

2152142877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717380962.

The product of its digits is 62720, while the sum is 39.

The square root of 2152142877 is about 46391.1939596299. The cubic root of 2152142877 is about 1291.0915339227.

The spelling of 2152142877 in words is "two billion, one hundred fifty-two million, one hundred forty-two thousand, eight hundred seventy-seven".