91853469652 has 24 divisors (see below), whose sum is σ = 183731268224. Its totient is φ = 39360559392.

The previous prime is 91853469629. The next prime is 91853469707. The reversal of 91853469652 is 25696435819.

It is a super-2 number, since 2×91853469652² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858 + ... + 428614.

Almost surely, 2^91853469652 is an apocalyptic number.

It is an amenable number.

91853469652 is an abundant number, since it is smaller than the sum of its proper divisors (91877798572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91853469652 is a wasteful number, since it uses less digits than its factorization.

91853469652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434455 (or 434453 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 58.

The spelling of 91853469652 in words is "ninety-one billion, eight hundred fifty-three million, four hundred sixty-nine thousand, six hundred fifty-two".