90423625501 has 8 divisors (see below), whose sum is σ = 99195040800. Its totient is φ = 81744057840.

The previous prime is 90423625489. The next prime is 90423625519. The reversal of 90423625501 is 10552632409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90423625501 - 2⁹ = 90423624989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90423620501) 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, 22959846 + ... + 22963783.

It is an arithmetic number, because the mean of its divisors is an integer number (12399380100).

Almost surely, 2^90423625501 is an apocalyptic number.

It is an amenable number.

90423625501 is a deficient number, since it is larger than the sum of its proper divisors (8771415299).

90423625501 is a wasteful number, since it uses less digits than its factorization.

90423625501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45923819.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 90423625501 in words is "ninety billion, four hundred twenty-three million, six hundred twenty-five thousand, five hundred one".