39936067901 has 2 divisors, whose sum is σ = 39936067902. Its totient is φ = 39936067900.

The previous prime is 39936067867. The next prime is 39936067937. The reversal of 39936067901 is 10976063993.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39452287876 + 483780025 = 198626^2 + 21995^2 .

It is a cyclic number.

It is not a de Polignac number, because 39936067901 - 2²⁶ = 39868959037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39936087901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19968033950 + 19968033951.

It is an arithmetic number, because the mean of its divisors is an integer number (19968033951).

Almost surely, 2^39936067901 is an apocalyptic number.

It is an amenable number.

39936067901 is a deficient number, since it is larger than the sum of its proper divisors (1).

39936067901 is an equidigital number, since it uses as much as digits as its factorization.

39936067901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The spelling of 39936067901 in words is "thirty-nine billion, nine hundred thirty-six million, sixty-seven thousand, nine hundred one".