913720419233 has 2 divisors, whose sum is σ = 913720419234. Its totient is φ = 913720419232.

The previous prime is 913720419191. The next prime is 913720419257. The reversal of 913720419233 is 332914027319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913586137489 + 134281744 = 955817^2 + 11588^2 .

It is a cyclic number.

It is not a de Polignac number, because 913720419233 - 2¹⁰ = 913720418209 is a prime.

It is not a weakly prime, because it can be changed into another prime (913720419433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456860209616 + 456860209617.

It is an arithmetic number, because the mean of its divisors is an integer number (456860209617).

Almost surely, 2^913720419233 is an apocalyptic number.

It is an amenable number.

913720419233 is a deficient number, since it is larger than the sum of its proper divisors (1).

913720419233 is an equidigital number, since it uses as much as digits as its factorization.

913720419233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 913720419233 in words is "nine hundred thirteen billion, seven hundred twenty million, four hundred nineteen thousand, two hundred thirty-three".