913720419191 has 2 divisors, whose sum is σ = 913720419192. Its totient is φ = 913720419190.

The previous prime is 913720419149. The next prime is 913720419233. The reversal of 913720419191 is 191914027319.

It is a balanced prime because it is at equal distance from previous prime (913720419149) and next prime (913720419233).

It is a cyclic number.

It is not a de Polignac number, because 913720419191 - 2²² = 913716224887 is a prime.

It is a super-2 number, since 2×913720419191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913720419791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456860209595 + 456860209596.

It is an arithmetic number, because the mean of its divisors is an integer number (456860209596).

Almost surely, 2^913720419191 is an apocalyptic number.

913720419191 is a deficient number, since it is larger than the sum of its proper divisors (1).

913720419191 is an equidigital number, since it uses as much as digits as its factorization.

913720419191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 913720419191 in words is "nine hundred thirteen billion, seven hundred twenty million, four hundred nineteen thousand, one hundred ninety-one".