39245679679 has 2 divisors, whose sum is σ = 39245679680. Its totient is φ = 39245679678.

The previous prime is 39245679661. The next prime is 39245679689. The reversal of 39245679679 is 97697654293.

39245679679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39245679679 - 2¹⁵ = 39245646911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39245679619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19622839839 + 19622839840.

It is an arithmetic number, because the mean of its divisors is an integer number (19622839840).

Almost surely, 2^39245679679 is an apocalyptic number.

39245679679 is a deficient number, since it is larger than the sum of its proper divisors (1).

39245679679 is an equidigital number, since it uses as much as digits as its factorization.

39245679679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154314720, while the sum is 67.

The spelling of 39245679679 in words is "thirty-nine billion, two hundred forty-five million, six hundred seventy-nine thousand, six hundred seventy-nine".