90101293919 has 24 divisors (see below), whose sum is σ = 112607348832. Its totient is φ = 70583011200.

The previous prime is 90101293913. The next prime is 90101293927. The reversal of 90101293919 is 91939210109.

It is not a de Polignac number, because 90101293919 - 2¹² = 90101289823 is a prime.

It is a super-2 number, since 2×90101293919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90101293919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101293913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257564 + ... + 496529.

It is an arithmetic number, because the mean of its divisors is an integer number (4691972868).

Almost surely, 2^90101293919 is an apocalyptic number.

90101293919 is a deficient number, since it is larger than the sum of its proper divisors (22506054913).

90101293919 is a wasteful number, since it uses less digits than its factorization.

90101293919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754227 (or 754214 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 90101293919 in words is "ninety billion, one hundred one million, two hundred ninety-three thousand, nine hundred nineteen".