91425373000 has 128 divisors (see below), whose sum is σ = 231251005440. Its totient is φ = 33631200000.

The previous prime is 91425372971. The next prime is 91425373009. The reversal of 91425373000 is 37352419.

It is not an unprimeable number, because it can be changed into a prime (91425373009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3510025 + ... + 3535975.

It is an arithmetic number, because the mean of its divisors is an integer number (1806648480).

Almost surely, 2^91425373000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91425373000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115625502720).

91425373000 is an abundant number, since it is smaller than the sum of its proper divisors (139825632440).

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

91425373000 is a wasteful number, since it uses less digits than its factorization.

91425373000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26256 (or 26242 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 91425373000 in words is "ninety-one billion, four hundred twenty-five million, three hundred seventy-three thousand".