39974912207 has 4 divisors (see below), whose sum is σ = 41264425536. Its totient is φ = 38685398880.

The previous prime is 39974912183. The next prime is 39974912287. The reversal of 39974912207 is 70221947993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70221947993 = 63443 ⋅1106851.

It is a cyclic number.

It is not a de Polignac number, because 39974912207 - 2⁶ = 39974912143 is a prime.

It is a super-2 number, since 2×39974912207² (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 (39974912287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644756618 + ... + 644756679.

It is an arithmetic number, because the mean of its divisors is an integer number (10316106384).

Almost surely, 2^39974912207 is an apocalyptic number.

39974912207 is a deficient number, since it is larger than the sum of its proper divisors (1289513329).

39974912207 is a wasteful number, since it uses less digits than its factorization.

39974912207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289513328.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 39974912207 in words is "thirty-nine billion, nine hundred seventy-four million, nine hundred twelve thousand, two hundred seven".