91914595455 has 16 divisors (see below), whose sum is σ = 147430103904. Its totient is φ = 48898867200.

The previous prime is 91914595393. The next prime is 91914595517. The reversal of 91914595455 is 55459541919.

It is an interprime number because it is at equal distance from previous prime (91914595393) and next prime (91914595517).

It is not a de Polignac number, because 91914595455 - 2¹⁶ = 91914529919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91914595395 and 91914595404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7634434 + ... + 7646463.

It is an arithmetic number, because the mean of its divisors is an integer number (9214381494).

Almost surely, 2^91914595455 is an apocalyptic number.

91914595455 is a deficient number, since it is larger than the sum of its proper divisors (55515508449).

91914595455 is a wasteful number, since it uses less digits than its factorization.

91914595455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281306.

The product of its digits is 7290000, while the sum is 57.

It can be divided in two parts, 919145 and 95455, that added together give a triangular number (1014600 = T₁₄₂₄).

The spelling of 91914595455 in words is "ninety-one billion, nine hundred fourteen million, five hundred ninety-five thousand, four hundred fifty-five".