3904502945 has 64 divisors (see below), whose sum is σ = 5791772160. Its totient is φ = 2467584000.

The previous prime is 3904502909. The next prime is 3904502947. The reversal of 3904502945 is 5492054093.

It is not a de Polignac number, because 3904502945 - 2¹⁰ = 3904501921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3904502947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4096589 + ... + 4097541.

It is an arithmetic number, because the mean of its divisors is an integer number (90496440).

Almost surely, 2^3904502945 is an apocalyptic number.

3904502945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3904502945 is a deficient number, since it is larger than the sum of its proper divisors (1887269215).

3904502945 is a wasteful number, since it uses less digits than its factorization.

3904502945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 3904502945 is about 62486.0219969234. The cubic root of 3904502945 is about 1574.6664878776. Note that the first 3 decimals are identical.

The spelling of 3904502945 in words is "three billion, nine hundred four million, five hundred two thousand, nine hundred forty-five".