18139001279463 has 12 divisors (see below), whose sum is σ = 26202533671080. Its totient is φ = 12091857960336.

The previous prime is 18139001279453. The next prime is 18139001279501. The reversal of 18139001279463 is 36497210093181.

18139001279463 is a `hidden beast` number, since 1 + 8 + 13 + 90 + 0 + 12 + 79 + 463 = 666.

It is not a de Polignac number, because 18139001279463 - 2²⁰ = 18139000230887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18139001279423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67321356 + ... + 67590257.

It is an arithmetic number, because the mean of its divisors is an integer number (2183544472590).

Almost surely, 2^{18139001279463} is an apocalyptic number.

18139001279463 is a deficient number, since it is larger than the sum of its proper divisors (8063532391617).

18139001279463 is a wasteful number, since it uses less digits than its factorization.

18139001279463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134926558 (or 134926555 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 18139001279463 in words is "eighteen trillion, one hundred thirty-nine billion, one million, two hundred seventy-nine thousand, four hundred sixty-three".