90590012001 has 6 divisors (see below), whose sum is σ = 130852239570. Its totient is φ = 60393341328.

The previous prime is 90590011997. The next prime is 90590012003. The reversal of 90590012001 is 10021009509.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87772950225 + 2817061776 = 296265^2 + 53076^2 .

It is not a de Polignac number, because 90590012001 - 2² = 90590011997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90590012003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5032778436 + ... + 5032778453.

It is an arithmetic number, because the mean of its divisors is an integer number (21808706595).

Almost surely, 2^90590012001 is an apocalyptic number.

It is an amenable number.

90590012001 is a deficient number, since it is larger than the sum of its proper divisors (40262227569).

90590012001 is a wasteful number, since it uses less digits than its factorization.

90590012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065556895 (or 10065556892 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The spelling of 90590012001 in words is "ninety billion, five hundred ninety million, twelve thousand, one".