18479051 has 16 divisors (see below), whose sum is σ = 20611584. Its totient is φ = 16477824.

The previous prime is 18479011. The next prime is 18479063. The reversal of 18479051 is 15097481.

It is a cyclic number.

It is not a de Polignac number, because 18479051 - 2²² = 14284747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18479011) 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, 65156 + ... + 65438.

It is an arithmetic number, because the mean of its divisors is an integer number (1288224).

Almost surely, 2^18479051 is an apocalyptic number.

18479051 is a deficient number, since it is larger than the sum of its proper divisors (2132533).

18479051 is a wasteful number, since it uses less digits than its factorization.

18479051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 18479051 is about 4298.7266719344. The cubic root of 18479051 is about 264.3787559709.

The spelling of 18479051 in words is "eighteen million, four hundred seventy-nine thousand, fifty-one".