90409147325 has 48 divisors (see below), whose sum is σ = 135759882240. Its totient is φ = 58342680000.

The previous prime is 90409147303. The next prime is 90409147327. The reversal of 90409147325 is 52374190409.

It is not a de Polignac number, because 90409147325 - 2²⁰ = 90408098749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90409147327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412040 + ... + 592110.

It is an arithmetic number, because the mean of its divisors is an integer number (2828330880).

Almost surely, 2^90409147325 is an apocalyptic number.

90409147325 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90409147325 is a deficient number, since it is larger than the sum of its proper divisors (45350734915).

90409147325 is a wasteful number, since it uses less digits than its factorization.

90409147325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180258 (or 180253 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 90409147325 in words is "ninety billion, four hundred nine million, one hundred forty-seven thousand, three hundred twenty-five".