39946564053 has 36 divisors (see below), whose sum is σ = 63498285760. Its totient is φ = 24181288560.

The previous prime is 39946564037. The next prime is 39946564093. The reversal of 39946564053 is 35046564993.

39946564053 is a `hidden beast` number, since 3 + 99 + 465 + 6 + 40 + 53 = 666.

It is not a de Polignac number, because 39946564053 - 2⁴ = 39946564037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39946564033) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 914100 + ... + 956802.

Almost surely, 2^39946564053 is an apocalyptic number.

39946564053 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39946564053 is a deficient number, since it is larger than the sum of its proper divisors (23551721707).

39946564053 is a wasteful number, since it uses less digits than its factorization.

39946564053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43590 (or 43576 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 39946564053 in words is "thirty-nine billion, nine hundred forty-six million, five hundred sixty-four thousand, fifty-three".