2698839945 has 32 divisors (see below), whose sum is σ = 4812512640. Its totient is φ = 1435008960.

The previous prime is 2698839911. The next prime is 2698839973. The reversal of 2698839945 is 5499388962.

It is not a de Polignac number, because 2698839945 - 2³⁰ = 1625098121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14487 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (150391020).

Almost surely, 2^2698839945 is an apocalyptic number.

It is an amenable number.

2698839945 is a deficient number, since it is larger than the sum of its proper divisors (2113672695).

2698839945 is a wasteful number, since it uses less digits than its factorization.

2698839945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60742 (or 60736 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The square root of 2698839945 is about 51950.3603933601. The cubic root of 2698839945 is about 1392.2771956517.

The spelling of 2698839945 in words is "two billion, six hundred ninety-eight million, eight hundred thirty-nine thousand, nine hundred forty-five".