3885513913 has 2 divisors, whose sum is σ = 3885513914. Its totient is φ = 3885513912.

The previous prime is 3885513887. The next prime is 3885513917. The reversal of 3885513913 is 3193155883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971626409 + 1913887504 = 44403^2 + 43748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3885513913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3885513917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942756956 + 1942756957.

It is an arithmetic number, because the mean of its divisors is an integer number (1942756957).

Almost surely, 2^3885513913 is an apocalyptic number.

It is an amenable number.

3885513913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3885513913 is an equidigital number, since it uses as much as digits as its factorization.

3885513913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The square root of 3885513913 is about 62333.8905652455. The cubic root of 3885513913 is about 1572.1096112009.

The spelling of 3885513913 in words is "three billion, eight hundred eighty-five million, five hundred thirteen thousand, nine hundred thirteen".