90426502147 has 2 divisors, whose sum is σ = 90426502148. Its totient is φ = 90426502146.

The previous prime is 90426502139. The next prime is 90426502181. The reversal of 90426502147 is 74120562409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90426502147 - 2³ = 90426502139 is a prime.

It is not a weakly prime, because it can be changed into another prime (90426502447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45213251073 + 45213251074.

It is an arithmetic number, because the mean of its divisors is an integer number (45213251074).

Almost surely, 2^90426502147 is an apocalyptic number.

90426502147 is a deficient number, since it is larger than the sum of its proper divisors (1).

90426502147 is an equidigital number, since it uses as much as digits as its factorization.

90426502147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 90426502147 in words is "ninety billion, four hundred twenty-six million, five hundred two thousand, one hundred forty-seven".