91953419140 has 48 divisors (see below), whose sum is σ = 211820865984. Its totient is φ = 33252854400.

The previous prime is 91953419119. The next prime is 91953419147. The reversal of 91953419140 is 4191435919.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (91953419147) 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, 1114794 + ... + 1194433.

It is an arithmetic number, because the mean of its divisors is an integer number (4412934708).

Almost surely, 2^91953419140 is an apocalyptic number.

It is an amenable number.

91953419140 is an abundant number, since it is smaller than the sum of its proper divisors (119867446844).

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

91953419140 is a wasteful number, since it uses less digits than its factorization.

91953419140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309428 (or 2309426 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 91953419140 in words is "ninety-one billion, nine hundred fifty-three million, four hundred nineteen thousand, one hundred forty".