90734011039081 has 2 divisors, whose sum is σ = 90734011039082. Its totient is φ = 90734011039080.

The previous prime is 90734011039043. The next prime is 90734011039129. The reversal of 90734011039081 is 18093011043709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88617917136681 + 2116093902400 = 9413709^2 + 1454680^2 .

It is a cyclic number.

It is not a de Polignac number, because 90734011039081 - 2¹⁵ = 90734011006313 is a prime.

It is a super-2 number, since 2×90734011039081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90734011019081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45367005519540 + 45367005519541.

It is an arithmetic number, because the mean of its divisors is an integer number (45367005519541).

Almost surely, 2^{90734011039081} is an apocalyptic number.

It is an amenable number.

90734011039081 is a deficient number, since it is larger than the sum of its proper divisors (1).

90734011039081 is an equidigital number, since it uses as much as digits as its factorization.

90734011039081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 90734011039081 in words is "ninety trillion, seven hundred thirty-four billion, eleven million, thirty-nine thousand, eighty-one".