90613626671 has 2 divisors, whose sum is σ = 90613626672. Its totient is φ = 90613626670.

The previous prime is 90613626647. The next prime is 90613626703. The reversal of 90613626671 is 17662631609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90613626671 - 2¹⁰ = 90613625647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90613626611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45306813335 + 45306813336.

It is an arithmetic number, because the mean of its divisors is an integer number (45306813336).

Almost surely, 2^90613626671 is an apocalyptic number.

90613626671 is a deficient number, since it is larger than the sum of its proper divisors (1).

90613626671 is an equidigital number, since it uses as much as digits as its factorization.

90613626671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 90613626671 in words is "ninety billion, six hundred thirteen million, six hundred twenty-six thousand, six hundred seventy-one".