91654342535 has 32 divisors (see below), whose sum is σ = 132335577600. Its totient is φ = 59530723200.

The previous prime is 91654342519. The next prime is 91654342561. The reversal of 91654342535 is 53524345619.

It is not a de Polignac number, because 91654342535 - 2⁴ = 91654342519 is a prime.

It is a super-2 number, since 2×91654342535² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91654342535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7775276 + ... + 7787054.

It is an arithmetic number, because the mean of its divisors is an integer number (4135486800).

Almost surely, 2^91654342535 is an apocalyptic number.

91654342535 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91654342535 is a deficient number, since it is larger than the sum of its proper divisors (40681235065).

91654342535 is a wasteful number, since it uses less digits than its factorization.

91654342535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511.

The product of its digits is 1944000, while the sum is 47.

The spelling of 91654342535 in words is "ninety-one billion, six hundred fifty-four million, three hundred forty-two thousand, five hundred thirty-five".