914051223991 has 2 divisors, whose sum is σ = 914051223992. Its totient is φ = 914051223990.

The previous prime is 914051223979. The next prime is 914051224049. The reversal of 914051223991 is 199322150419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 914051223991 - 2⁵ = 914051223959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914051223191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457025611995 + 457025611996.

It is an arithmetic number, because the mean of its divisors is an integer number (457025611996).

Almost surely, 2^914051223991 is an apocalyptic number.

914051223991 is a deficient number, since it is larger than the sum of its proper divisors (1).

914051223991 is an equidigital number, since it uses as much as digits as its factorization.

914051223991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 914051223991 in words is "nine hundred fourteen billion, fifty-one million, two hundred twenty-three thousand, nine hundred ninety-one".