45668990559 has 4 divisors (see below), whose sum is σ = 60891987416. Its totient is φ = 30445993704.

The previous prime is 45668990513. The next prime is 45668990573. The reversal of 45668990559 is 95509986654.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45668990559 - 2⁷ = 45668990431 is a prime.

It is a super-2 number, since 2×45668990559² (a number of 22 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 45668990559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45668990599) 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, 7611498424 + ... + 7611498429.

It is an arithmetic number, because the mean of its divisors is an integer number (15222996854).

Almost surely, 2^45668990559 is an apocalyptic number.

45668990559 is a deficient number, since it is larger than the sum of its proper divisors (15222996857).

45668990559 is a wasteful number, since it uses less digits than its factorization.

45668990559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222996856.

The product of its (nonzero) digits is 104976000, while the sum is 66.

The spelling of 45668990559 in words is "forty-five billion, six hundred sixty-eight million, nine hundred ninety thousand, five hundred fifty-nine".