45368017918 has 4 divisors (see below), whose sum is σ = 68052026880. Its totient is φ = 22684008958.

The previous prime is 45368017867. The next prime is 45368017927. The reversal of 45368017918 is 81971086354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81971086354 = 2 ⋅40985543177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11342004478 + ... + 11342004481.

It is an arithmetic number, because the mean of its divisors is an integer number (17013006720).

Almost surely, 2^45368017918 is an apocalyptic number.

45368017918 is a deficient number, since it is larger than the sum of its proper divisors (22684008962).

45368017918 is a wasteful number, since it uses less digits than its factorization.

45368017918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684008961.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 45368017918 in words is "forty-five billion, three hundred sixty-eight million, seventeen thousand, nine hundred eighteen".