18046428751 has 16 divisors (see below), whose sum is σ = 20348911296. Its totient is φ = 15879511296.

The previous prime is 18046428733. The next prime is 18046428787. The reversal of 18046428751 is 15782464081.

It is a cyclic number.

It is not a de Polignac number, because 18046428751 - 2²³ = 18038040143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18046428151) 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, 15390 + ... + 190603.

It is an arithmetic number, because the mean of its divisors is an integer number (1271806956).

Almost surely, 2^18046428751 is an apocalyptic number.

18046428751 is a deficient number, since it is larger than the sum of its proper divisors (2302482545).

18046428751 is a wasteful number, since it uses less digits than its factorization.

18046428751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206322.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 18046428751 in words is "eighteen billion, forty-six million, four hundred twenty-eight thousand, seven hundred fifty-one".