39474938863 has 2 divisors, whose sum is σ = 39474938864. Its totient is φ = 39474938862.

The previous prime is 39474938837. The next prime is 39474938891. The reversal of 39474938863 is 36883947493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39474938863 - 2⁵ = 39474938831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39474938795 and 39474938804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39474938803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19737469431 + 19737469432.

It is an arithmetic number, because the mean of its divisors is an integer number (19737469432).

Almost surely, 2^39474938863 is an apocalyptic number.

39474938863 is a deficient number, since it is larger than the sum of its proper divisors (1).

39474938863 is an equidigital number, since it uses as much as digits as its factorization.

39474938863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 64.

The spelling of 39474938863 in words is "thirty-nine billion, four hundred seventy-four million, nine hundred thirty-eight thousand, eight hundred sixty-three".