90481880719 has 2 divisors, whose sum is σ = 90481880720. Its totient is φ = 90481880718.

The previous prime is 90481880701. The next prime is 90481880747. The reversal of 90481880719 is 91708818409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90481880719 - 2³¹ = 88334397071 is a prime.

It is a super-2 number, since 2×90481880719² (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 90481880719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90481880759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45240940359 + 45240940360.

It is an arithmetic number, because the mean of its divisors is an integer number (45240940360).

Almost surely, 2^90481880719 is an apocalyptic number.

90481880719 is a deficient number, since it is larger than the sum of its proper divisors (1).

90481880719 is an equidigital number, since it uses as much as digits as its factorization.

90481880719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 90481880719 in words is "ninety billion, four hundred eighty-one million, eight hundred eighty thousand, seven hundred nineteen".