90101936269 has 2 divisors, whose sum is σ = 90101936270. Its totient is φ = 90101936268.

The previous prime is 90101936233. The next prime is 90101936299. The reversal of 90101936269 is 96263910109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76708503369 + 13393432900 = 276963^2 + 115730^2 .

It is a cyclic number.

It is not a de Polignac number, because 90101936269 - 2¹⁵ = 90101903501 is a prime.

It is a super-2 number, since 2×90101936269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90101936219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45050968134 + 45050968135.

It is an arithmetic number, because the mean of its divisors is an integer number (45050968135).

Almost surely, 2^90101936269 is an apocalyptic number.

It is an amenable number.

90101936269 is a deficient number, since it is larger than the sum of its proper divisors (1).

90101936269 is an equidigital number, since it uses as much as digits as its factorization.

90101936269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 90101936269 in words is "ninety billion, one hundred one million, nine hundred thirty-six thousand, two hundred sixty-nine".