45549578579 has 16 divisors (see below), whose sum is σ = 48228679680. Its totient is φ = 42898947840.

The previous prime is 45549578561. The next prime is 45549578597. The reversal of 45549578579 is 97587594554.

It is an interprime number because it is at equal distance from previous prime (45549578561) and next prime (45549578597).

It is a de Polignac number, because none of the positive numbers 2^k-45549578579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45549578519) 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, 7774019 + ... + 7779875.

It is an arithmetic number, because the mean of its divisors is an integer number (3014292480).

Almost surely, 2^45549578579 is an apocalyptic number.

45549578579 is a deficient number, since it is larger than the sum of its proper divisors (2679101101).

45549578579 is a wasteful number, since it uses less digits than its factorization.

45549578579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its digits is 317520000, while the sum is 68.

The spelling of 45549578579 in words is "forty-five billion, five hundred forty-nine million, five hundred seventy-eight thousand, five hundred seventy-nine".