91534328494 has 32 divisors (see below), whose sum is σ = 164028211200. Its totient is φ = 37482981120.

The previous prime is 91534328491. The next prime is 91534328497. The reversal of 91534328494 is 49482343519.

It is an interprime number because it is at equal distance from previous prime (91534328491) and next prime (91534328497).

It is a super-3 number, since 3×91534328494³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91534328491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300579 + ... + 1369150.

It is an arithmetic number, because the mean of its divisors is an integer number (5125881600).

Almost surely, 2^91534328494 is an apocalyptic number.

91534328494 is a deficient number, since it is larger than the sum of its proper divisors (72493882706).

91534328494 is a wasteful number, since it uses less digits than its factorization.

91534328494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669848.

The product of its digits is 3732480, while the sum is 52.

The spelling of 91534328494 in words is "ninety-one billion, five hundred thirty-four million, three hundred twenty-eight thousand, four hundred ninety-four".