39973356707 has 2 divisors, whose sum is σ = 39973356708. Its totient is φ = 39973356706.

The previous prime is 39973356673. The next prime is 39973356733. The reversal of 39973356707 is 70765337993.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39973356707 - 2³⁰ = 38899614883 is a prime.

It is not a weakly prime, because it can be changed into another prime (39973356757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19986678353 + 19986678354.

It is an arithmetic number, because the mean of its divisors is an integer number (19986678354).

Almost surely, 2^39973356707 is an apocalyptic number.

39973356707 is a deficient number, since it is larger than the sum of its proper divisors (1).

39973356707 is an equidigital number, since it uses as much as digits as its factorization.

39973356707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22504230, while the sum is 59.

The spelling of 39973356707 in words is "thirty-nine billion, nine hundred seventy-three million, three hundred fifty-six thousand, seven hundred seven".