91270014399 has 6 divisors (see below), whose sum is σ = 131834465256. Its totient is φ = 60846676260.

The previous prime is 91270014343. The next prime is 91270014427. The reversal of 91270014399 is 99341007219.

It is not a de Polignac number, because 91270014399 - 2¹⁵ = 91269981631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91270012399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5070556347 + ... + 5070556364.

It is an arithmetic number, because the mean of its divisors is an integer number (21972410876).

Almost surely, 2^91270014399 is an apocalyptic number.

91270014399 is a deficient number, since it is larger than the sum of its proper divisors (40564450857).

91270014399 is a wasteful number, since it uses less digits than its factorization.

91270014399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141112717 (or 10141112714 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 91270014399 in words is "ninety-one billion, two hundred seventy million, fourteen thousand, three hundred ninety-nine".