39980758743 has 6 divisors (see below), whose sum is σ = 57749984864. Its totient is φ = 26653839156.

The previous prime is 39980758723. The next prime is 39980758777. The reversal of 39980758743 is 34785708993.

39980758743 is a `hidden beast` number, since 3 + 9 + 9 + 8 + 0 + 7 + 587 + 43 = 666.

It is not a de Polignac number, because 39980758743 - 2⁸ = 39980758487 is a prime.

It is a super-2 number, since 2×39980758743² (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 (39980758723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2221153255 + ... + 2221153272.

Almost surely, 2^39980758743 is an apocalyptic number.

39980758743 is a deficient number, since it is larger than the sum of its proper divisors (17769226121).

39980758743 is a wasteful number, since it uses less digits than its factorization.

39980758743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442306533 (or 4442306530 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 39980758743 in words is "thirty-nine billion, nine hundred eighty million, seven hundred fifty-eight thousand, seven hundred forty-three".