39463032645 has 24 divisors (see below), whose sum is σ = 68519164896. Its totient is φ = 21011081568.

The previous prime is 39463032611. The next prime is 39463032647. The reversal of 39463032645 is 54623036493.

39463032645 is a `hidden beast` number, since 3 + 9 + 4 + 630 + 3 + 2 + 6 + 4 + 5 = 666.

It is not a de Polignac number, because 39463032645 - 2⁷ = 39463032517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 39463032645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39463032647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720567 + ... + 773396.

It is an arithmetic number, because the mean of its divisors is an integer number (2854965204).

Almost surely, 2^39463032645 is an apocalyptic number.

It is an amenable number.

39463032645 is a deficient number, since it is larger than the sum of its proper divisors (29056132251).

39463032645 is a wasteful number, since it uses less digits than its factorization.

39463032645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494561 (or 1494558 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 39463032645 in words is "thirty-nine billion, four hundred sixty-three million, thirty-two thousand, six hundred forty-five".