2892120945 has 16 divisors (see below), whose sum is σ = 5288449920. Its totient is φ = 1322112384.

The previous prime is 2892120817. The next prime is 2892120953. The reversal of 2892120945 is 5490212982.

It is a happy number.

It is not a de Polignac number, because 2892120945 - 2⁷ = 2892120817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2892120897 and 2892120906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13771900 + ... + 13772109.

It is an arithmetic number, because the mean of its divisors is an integer number (330528120).

Almost surely, 2^2892120945 is an apocalyptic number.

It is an amenable number.

2892120945 is a deficient number, since it is larger than the sum of its proper divisors (2396328975).

2892120945 is a wasteful number, since it uses less digits than its factorization.

2892120945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27544024.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2892120945 is about 53778.4431254755. The cubic root of 2892120945 is about 1424.7504961752.

The spelling of 2892120945 in words is "two billion, eight hundred ninety-two million, one hundred twenty thousand, nine hundred forty-five".