2893986545 has 4 divisors (see below), whose sum is σ = 3472783860. Its totient is φ = 2315189232.

The previous prime is 2893986541. The next prime is 2893986547. The reversal of 2893986545 is 5456893982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1703460529 + 1190526016 = 41273^2 + 34504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2893986545 - 2² = 2893986541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2893986541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289398650 + ... + 289398659.

It is an arithmetic number, because the mean of its divisors is an integer number (868195965).

Almost surely, 2^2893986545 is an apocalyptic number.

It is an amenable number.

2893986545 is a deficient number, since it is larger than the sum of its proper divisors (578797315).

2893986545 is an equidigital number, since it uses as much as digits as its factorization.

2893986545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578797314.

The product of its digits is 18662400, while the sum is 59.

The square root of 2893986545 is about 53795.7855691317. The cubic root of 2893986545 is about 1425.0567815683.

The spelling of 2893986545 in words is "two billion, eight hundred ninety-three million, nine hundred eighty-six thousand, five hundred forty-five".