90070209233 has 2 divisors, whose sum is σ = 90070209234. Its totient is φ = 90070209232.

The previous prime is 90070209179. The next prime is 90070209337. The reversal of 90070209233 is 33290207009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88870764544 + 1199444689 = 298112^2 + 34633^2 .

It is a cyclic number.

It is not a de Polignac number, because 90070209233 - 2³⁰ = 88996467409 is a prime.

It is a super-2 number, since 2×90070209233² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90070209193 and 90070209202.

It is not a weakly prime, because it can be changed into another prime (90070209133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45035104616 + 45035104617.

It is an arithmetic number, because the mean of its divisors is an integer number (45035104617).

Almost surely, 2^90070209233 is an apocalyptic number.

It is an amenable number.

90070209233 is a deficient number, since it is larger than the sum of its proper divisors (1).

90070209233 is an equidigital number, since it uses as much as digits as its factorization.

90070209233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 90070209233 in words is "ninety billion, seventy million, two hundred nine thousand, two hundred thirty-three".