90634231199 has 2 divisors, whose sum is σ = 90634231200. Its totient is φ = 90634231198.

The previous prime is 90634231169. The next prime is 90634231213. The reversal of 90634231199 is 99113243609.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90634231199 - 2⁸ = 90634230943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90634231139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45317115599 + 45317115600.

It is an arithmetic number, because the mean of its divisors is an integer number (45317115600).

Almost surely, 2^90634231199 is an apocalyptic number.

90634231199 is a deficient number, since it is larger than the sum of its proper divisors (1).

90634231199 is an equidigital number, since it uses as much as digits as its factorization.

90634231199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 90634231199 in words is "ninety billion, six hundred thirty-four million, two hundred thirty-one thousand, one hundred ninety-nine".