17817877482142 has 32 divisors (see below), whose sum is σ = 28688535515232. Its totient is φ = 8269475410944.

The previous prime is 17817877482137. The next prime is 17817877482257. The reversal of 17817877482142 is 24128477871871.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38596468 + ... + 39055384.

It is an arithmetic number, because the mean of its divisors is an integer number (896516734851).

Almost surely, 2^{17817877482142} is an apocalyptic number.

17817877482142 is a deficient number, since it is larger than the sum of its proper divisors (10870658033090).

17817877482142 is a wasteful number, since it uses less digits than its factorization.

17817877482142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474652.

The product of its digits is 78675968, while the sum is 67.

The spelling of 17817877482142 in words is "seventeen trillion, eight hundred seventeen billion, eight hundred seventy-seven million, four hundred eighty-two thousand, one hundred forty-two".