18017472941 has 8 divisors (see below), whose sum is σ = 19455457560. Its totient is φ = 16586920512.

The previous prime is 18017472911. The next prime is 18017473031. The reversal of 18017472941 is 14927471081.

It can be written as a sum of positive squares in 4 ways, for example, as 13468900 + 18004004041 = 3670^2 + 134179^2 .

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 18017472941 - 2⁶ = 18017472877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18017472892 and 18017472901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18017472911) 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, 1853006 + ... + 1862703.

It is an arithmetic number, because the mean of its divisors is an integer number (2431932195).

Almost surely, 2^18017472941 is an apocalyptic number.

It is an amenable number.

18017472941 is a deficient number, since it is larger than the sum of its proper divisors (1437984619).

18017472941 is a wasteful number, since it uses less digits than its factorization.

18017472941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716095.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 18017472941 in words is "eighteen billion, seventeen million, four hundred seventy-two thousand, nine hundred forty-one".