39242678507 has 2 divisors, whose sum is σ = 39242678508. Its totient is φ = 39242678506.

The previous prime is 39242678477. The next prime is 39242678513. The reversal of 39242678507 is 70587624293.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39242678507 - 2¹⁰ = 39242677483 is a prime.

It is not a weakly prime, because it can be changed into another prime (39242678557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19621339253 + 19621339254.

It is an arithmetic number, because the mean of its divisors is an integer number (19621339254).

Almost surely, 2^39242678507 is an apocalyptic number.

39242678507 is a deficient number, since it is larger than the sum of its proper divisors (1).

39242678507 is an equidigital number, since it uses as much as digits as its factorization.

39242678507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 39242678507 in words is "thirty-nine billion, two hundred forty-two million, six hundred seventy-eight thousand, five hundred seven".