913728411913 has 2 divisors, whose sum is σ = 913728411914. Its totient is φ = 913728411912.

The previous prime is 913728411847. The next prime is 913728411943. The reversal of 913728411913 is 319114827319.

913728411913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463859069184 + 449869342729 = 681072^2 + 670723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913728411913 is a prime.

It is a super-2 number, since 2×913728411913² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (913728411943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456864205956 + 456864205957.

It is an arithmetic number, because the mean of its divisors is an integer number (456864205957).

Almost surely, 2^913728411913 is an apocalyptic number.

It is an amenable number.

913728411913 is a deficient number, since it is larger than the sum of its proper divisors (1).

913728411913 is an equidigital number, since it uses as much as digits as its factorization.

913728411913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The spelling of 913728411913 in words is "nine hundred thirteen billion, seven hundred twenty-eight million, four hundred eleven thousand, nine hundred thirteen".