91453549348025 has 12 divisors (see below), whose sum is σ = 114230155949052. Its totient is φ = 72628804151040.

The previous prime is 91453549347907. The next prime is 91453549348033. The reversal of 91453549348025 is 52084394535419.

It can be written as a sum of positive squares in 6 ways, for example, as 4365776229136 + 87087773118889 = 2089444^2 + 9332083^2 .

It is not a de Polignac number, because 91453549348025 - 2²⁸ = 91453280912569 is a prime.

It is a super-3 number, since 3×91453549348025³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13350879692 + ... + 13350886541.

It is an arithmetic number, because the mean of its divisors is an integer number (9519179662421).

Almost surely, 2^{91453549348025} is an apocalyptic number.

It is an amenable number.

91453549348025 is a deficient number, since it is larger than the sum of its proper divisors (22776606601027).

91453549348025 is a wasteful number, since it uses less digits than its factorization.

91453549348025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26701766380 (or 26701766375 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 91453549348025 in words is "ninety-one trillion, four hundred fifty-three billion, five hundred forty-nine million, three hundred forty-eight thousand, twenty-five".