90314188039 has 2 divisors, whose sum is σ = 90314188040. Its totient is φ = 90314188038.

The previous prime is 90314188009. The next prime is 90314188093. The reversal of 90314188039 is 93088141309.

It is a happy number.

Together with next prime (90314188093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90314188039 - 2¹³ = 90314179847 is a prime.

It is a super-2 number, since 2×90314188039² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90314188039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90314188009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45157094019 + 45157094020.

It is an arithmetic number, because the mean of its divisors is an integer number (45157094020).

Almost surely, 2^90314188039 is an apocalyptic number.

90314188039 is a deficient number, since it is larger than the sum of its proper divisors (1).

90314188039 is an equidigital number, since it uses as much as digits as its factorization.

90314188039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 90314188039 in words is "ninety billion, three hundred fourteen million, one hundred eighty-eight thousand, thirty-nine".