90414642751 has 2 divisors, whose sum is σ = 90414642752. Its totient is φ = 90414642750.

The previous prime is 90414642739. The next prime is 90414642761. The reversal of 90414642751 is 15724641409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90414642751 - 2¹⁵ = 90414609983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90414642698 and 90414642707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90414642761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45207321375 + 45207321376.

It is an arithmetic number, because the mean of its divisors is an integer number (45207321376).

Almost surely, 2^90414642751 is an apocalyptic number.

90414642751 is a deficient number, since it is larger than the sum of its proper divisors (1).

90414642751 is an equidigital number, since it uses as much as digits as its factorization.

90414642751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 90414642751 in words is "ninety billion, four hundred fourteen million, six hundred forty-two thousand, seven hundred fifty-one".