90945401269 has 8 divisors (see below), whose sum is σ = 92216432000. Its totient is φ = 89677366272.

The previous prime is 90945401257. The next prime is 90945401293. The reversal of 90945401269 is 96210454909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90945401269 - 2²¹ = 90943304117 is a prime.

It is a super-2 number, since 2×90945401269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90945411269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687759 + ... + 809260.

It is an arithmetic number, because the mean of its divisors is an integer number (11527054000).

Almost surely, 2^90945401269 is an apocalyptic number.

It is an amenable number.

90945401269 is a deficient number, since it is larger than the sum of its proper divisors (1271030731).

90945401269 is a wasteful number, since it uses less digits than its factorization.

90945401269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497867.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 90945401269 in words is "ninety billion, nine hundred forty-five million, four hundred one thousand, two hundred sixty-nine".