39937091063 has 2 divisors, whose sum is σ = 39937091064. Its totient is φ = 39937091062.

The previous prime is 39937091057. The next prime is 39937091081. The reversal of 39937091063 is 36019073993.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39937091063 - 2⁸ = 39937090807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39937091023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19968545531 + 19968545532.

It is an arithmetic number, because the mean of its divisors is an integer number (19968545532).

Almost surely, 2^39937091063 is an apocalyptic number.

39937091063 is a deficient number, since it is larger than the sum of its proper divisors (1).

39937091063 is an equidigital number, since it uses as much as digits as its factorization.

39937091063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 50.

The spelling of 39937091063 in words is "thirty-nine billion, nine hundred thirty-seven million, ninety-one thousand, sixty-three".