39970654893 has 48 divisors (see below), whose sum is σ = 63714530880. Its totient is φ = 23995296000.

The previous prime is 39970654877. The next prime is 39970654897. The reversal of 39970654893 is 39845607993.

39970654893 is a `hidden beast` number, since 3 + 9 + 97 + 0 + 65 + 489 + 3 = 666.

It is not a de Polignac number, because 39970654893 - 2⁴ = 39970654877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39970654893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970654897) 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, 882193 + ... + 926393.

It is an arithmetic number, because the mean of its divisors is an integer number (1327386060).

Almost surely, 2^39970654893 is an apocalyptic number.

It is an amenable number.

39970654893 is a deficient number, since it is larger than the sum of its proper divisors (23743875987).

39970654893 is a wasteful number, since it uses less digits than its factorization.

39970654893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44410 (or 44407 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 39970654893 in words is "thirty-nine billion, nine hundred seventy million, six hundred fifty-four thousand, eight hundred ninety-three".