39970973763 has 48 divisors (see below), whose sum is σ = 66454901760. Its totient is φ = 22677967872.

The previous prime is 39970973753. The next prime is 39970973771. The reversal of 39970973763 is 36737907993.

39970973763 is a `hidden beast` number, since 399 + 70 + 97 + 37 + 63 = 666.

It is not a de Polignac number, because 39970973763 - 2²¹ = 39968876611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 39970973763.

It is not an unprimeable number, because it can be changed into a prime (39970973753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6842598 + ... + 6848436.

It is an arithmetic number, because the mean of its divisors is an integer number (1384477120).

Almost surely, 2^39970973763 is an apocalyptic number.

39970973763 is a deficient number, since it is larger than the sum of its proper divisors (26483927997).

39970973763 is a wasteful number, since it uses less digits than its factorization.

39970973763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 40507614, while the sum is 63.

The spelling of 39970973763 in words is "thirty-nine billion, nine hundred seventy million, nine hundred seventy-three thousand, seven hundred sixty-three".