90909273719 has 16 divisors (see below), whose sum is σ = 102598544160. Its totient is φ = 79830720000.

The previous prime is 90909273709. The next prime is 90909273739. The reversal of 90909273719 is 91737290909.

It is a cyclic number.

It is not a de Polignac number, because 90909273719 - 2²⁴ = 90892496503 is a prime.

It is a super-3 number, since 3×90909273719³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90909273709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952334 + ... + 1043435.

It is an arithmetic number, because the mean of its divisors is an integer number (6412409010).

Almost surely, 2^90909273719 is an apocalyptic number.

90909273719 is a deficient number, since it is larger than the sum of its proper divisors (11689270441).

90909273719 is a wasteful number, since it uses less digits than its factorization.

90909273719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995922.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The spelling of 90909273719 in words is "ninety billion, nine hundred nine million, two hundred seventy-three thousand, seven hundred nineteen".