39738490963 has 2 divisors, whose sum is σ = 39738490964. Its totient is φ = 39738490962.

The previous prime is 39738490943. The next prime is 39738490969. The reversal of 39738490963 is 36909483793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39738490963 is a prime.

It is not a weakly prime, because it can be changed into another prime (39738490969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19869245481 + 19869245482.

It is an arithmetic number, because the mean of its divisors is an integer number (19869245482).

Almost surely, 2^39738490963 is an apocalyptic number.

39738490963 is a deficient number, since it is larger than the sum of its proper divisors (1).

39738490963 is an equidigital number, since it uses as much as digits as its factorization.

39738490963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 39738490963 in words is "thirty-nine billion, seven hundred thirty-eight million, four hundred ninety thousand, nine hundred sixty-three".