39246965987 has 2 divisors, whose sum is σ = 39246965988. Its totient is φ = 39246965986.

The previous prime is 39246965959. The next prime is 39246966019. The reversal of 39246965987 is 78956964293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39246965987 - 2¹⁸ = 39246703843 is a prime.

It is not a weakly prime, because it can be changed into another prime (39246965917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19623482993 + 19623482994.

It is an arithmetic number, because the mean of its divisors is an integer number (19623482994).

Almost surely, 2^39246965987 is an apocalyptic number.

39246965987 is a deficient number, since it is larger than the sum of its proper divisors (1).

39246965987 is an equidigital number, since it uses as much as digits as its factorization.

39246965987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 68.

The spelling of 39246965987 in words is "thirty-nine billion, two hundred forty-six million, nine hundred sixty-five thousand, nine hundred eighty-seven".