39975352469 has 32 divisors (see below), whose sum is σ = 46831454208. Its totient is φ = 33818400000.

The previous prime is 39975352433. The next prime is 39975352493. The reversal of 39975352469 is 96425357993.

It is a cyclic number.

It is not a de Polignac number, because 39975352469 - 2⁸ = 39975352213 is a prime.

It is a super-2 number, since 2×39975352469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39975352409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914819 + ... + 957519.

It is an arithmetic number, because the mean of its divisors is an integer number (1463482944).

Almost surely, 2^39975352469 is an apocalyptic number.

It is an amenable number.

39975352469 is a deficient number, since it is larger than the sum of its proper divisors (6856101739).

39975352469 is a wasteful number, since it uses less digits than its factorization.

39975352469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42869.

The product of its digits is 55112400, while the sum is 62.

It can be divided in two parts, 3997535 and 2469, that added together give a palindrome (4000004).

The spelling of 39975352469 in words is "thirty-nine billion, nine hundred seventy-five million, three hundred fifty-two thousand, four hundred sixty-nine".