18127461974 has 8 divisors (see below), whose sum is σ = 28622308440. Its totient is φ = 8586692496.

The previous prime is 18127461971. The next prime is 18127462027. The reversal of 18127461974 is 47916472181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18127461971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238519199 + ... + 238519274.

It is an arithmetic number, because the mean of its divisors is an integer number (3577788555).

Almost surely, 2^18127461974 is an apocalyptic number.

18127461974 is a deficient number, since it is larger than the sum of its proper divisors (10494846466).

18127461974 is a wasteful number, since it uses less digits than its factorization.

18127461974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477038494.

The product of its digits is 677376, while the sum is 50.

The spelling of 18127461974 in words is "eighteen billion, one hundred twenty-seven million, four hundred sixty-one thousand, nine hundred seventy-four".