91452258039998 has 16 divisors (see below), whose sum is σ = 139436466011376. Its totient is φ = 44973535530240.

The previous prime is 91452258039991. The next prime is 91452258040009. The reversal of 91452258039998 is 89993085225419.

It is a happy number.

It is a super-2 number, since 2×91452258039998² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91452258039991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23027036 + ... + 26704847.

It is an arithmetic number, because the mean of its divisors is an integer number (8714779125711).

Almost surely, 2^{91452258039998} is an apocalyptic number.

91452258039998 is a deficient number, since it is larger than the sum of its proper divisors (47984207971378).

91452258039998 is a wasteful number, since it uses less digits than its factorization.

91452258039998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49747019.

The product of its (nonzero) digits is 503884800, while the sum is 74.

The spelling of 91452258039998 in words is "ninety-one trillion, four hundred fifty-two billion, two hundred fifty-eight million, thirty-nine thousand, nine hundred ninety-eight".