18039254043 has 8 divisors (see below), whose sum is σ = 24121258000. Its totient is φ = 11991709728.

The previous prime is 18039254033. The next prime is 18039254053. The reversal of 18039254043 is 34045293081.

It is an interprime number because it is at equal distance from previous prime (18039254033) and next prime (18039254053).

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

It is not a de Polignac number, because 18039254043 - 2¹⁸ = 18038991899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18039253992 and 18039254010.

It is not an unprimeable number, because it can be changed into a prime (18039254033) 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, 8613688 + ... + 8615781.

It is an arithmetic number, because the mean of its divisors is an integer number (3015157250).

Almost surely, 2^18039254043 is an apocalyptic number.

18039254043 is a deficient number, since it is larger than the sum of its proper divisors (6082003957).

18039254043 is a wasteful number, since it uses less digits than its factorization.

18039254043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229821.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 18039254043 in words is "eighteen billion, thirty-nine million, two hundred fifty-four thousand, forty-three".