90803475069 has 4 divisors (see below), whose sum is σ = 121071300096. Its totient is φ = 60535650044.

The previous prime is 90803474999. The next prime is 90803475127. The reversal of 90803475069 is 96057430809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90803475069 - 2⁸ = 90803474813 is a prime.

It is a super-2 number, since 2×90803475069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90803475769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15133912509 + ... + 15133912514.

It is an arithmetic number, because the mean of its divisors is an integer number (30267825024).

Almost surely, 2^90803475069 is an apocalyptic number.

It is an amenable number.

90803475069 is a deficient number, since it is larger than the sum of its proper divisors (30267825027).

90803475069 is a wasteful number, since it uses less digits than its factorization.

90803475069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30267825026.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 90803475069 in words is "ninety billion, eight hundred three million, four hundred seventy-five thousand, sixty-nine".