4492992945 has 16 divisors (see below), whose sum is σ = 8215758720. Its totient is φ = 2053939584.

The previous prime is 4492992943. The next prime is 4492992949. The reversal of 4492992945 is 5492992944.

It is not a de Polignac number, because 4492992945 - 2¹ = 4492992943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4492992943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21395100 + ... + 21395309.

It is an arithmetic number, because the mean of its divisors is an integer number (513484920).

Almost surely, 2^4492992945 is an apocalyptic number.

It is an amenable number.

4492992945 is a deficient number, since it is larger than the sum of its proper divisors (3722765775).

4492992945 is a wasteful number, since it uses less digits than its factorization.

4492992945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42790424.

The product of its digits is 8398080, while the sum is 57.

The square root of 4492992945 is about 67029.7914736425. The cubic root of 4492992945 is about 1650.1062612924.

Subtracting 4492992945 from its reverse (5492992944), we obtain a palindrome (999999999).

The spelling of 4492992945 in words is "four billion, four hundred ninety-two million, nine hundred ninety-two thousand, nine hundred forty-five".