18130013953 has 8 divisors (see below), whose sum is σ = 19282572288. Its totient is φ = 16987020864.

The previous prime is 18130013947. The next prime is 18130013999. The reversal of 18130013953 is 35931003181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18130013953 - 2²¹ = 18127916801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18130013903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387401 + ... + 2394982.

It is an arithmetic number, because the mean of its divisors is an integer number (2410321536).

Almost surely, 2^18130013953 is an apocalyptic number.

It is an amenable number.

18130013953 is a deficient number, since it is larger than the sum of its proper divisors (1152558335).

18130013953 is a wasteful number, since it uses less digits than its factorization.

18130013953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782623.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 18130013953 in words is "eighteen billion, one hundred thirty million, thirteen thousand, nine hundred fifty-three".