90414208631 has 2 divisors, whose sum is σ = 90414208632. Its totient is φ = 90414208630.

The previous prime is 90414208609. The next prime is 90414208663. The reversal of 90414208631 is 13680241409.

It is a weak prime.

It is an emirp because it is prime and its reverse (13680241409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90414208631 - 2²⁶ = 90347099767 is a prime.

It is a super-2 number, since 2×90414208631² (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 (90414208691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45207104315 + 45207104316.

It is an arithmetic number, because the mean of its divisors is an integer number (45207104316).

Almost surely, 2^90414208631 is an apocalyptic number.

90414208631 is a deficient number, since it is larger than the sum of its proper divisors (1).

90414208631 is an equidigital number, since it uses as much as digits as its factorization.

90414208631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 90414208631 in words is "ninety billion, four hundred fourteen million, two hundred eight thousand, six hundred thirty-one".