90000000000401 has 4 divisors (see below), whose sum is σ = 90000454636032. Its totient is φ = 89999545364772.

The previous prime is 90000000000373. The next prime is 90000000000451. The reversal of 90000000000401 is 10400000000009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90000000000401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90000000000451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227020745 + ... + 227416838.

It is an arithmetic number, because the mean of its divisors is an integer number (22500113659008).

Almost surely, 2^{90000000000401} is an apocalyptic number.

It is an amenable number.

90000000000401 is a deficient number, since it is larger than the sum of its proper divisors (454635631).

90000000000401 is a wasteful number, since it uses less digits than its factorization.

90000000000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454635630.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 90000000000401 in words is "ninety trillion, four hundred one", and thus it is an aban number.