2142749376218 has 16 divisors (see below), whose sum is σ = 3712571112384. Its totient is φ = 916684224960.

The previous prime is 2142749376217. The next prime is 2142749376223. The reversal of 2142749376218 is 8126739472412.

It is not an unprimeable number, because it can be changed into a prime (2142749376217) 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, 2864637830 + ... + 2864638577.

It is an arithmetic number, because the mean of its divisors is an integer number (232035694524).

Almost surely, 2^{2142749376218} is an apocalyptic number.

2142749376218 is a deficient number, since it is larger than the sum of its proper divisors (1569821736166).

2142749376218 is a wasteful number, since it uses less digits than its factorization.

2142749376218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729276437.

The product of its digits is 8128512, while the sum is 56.

The spelling of 2142749376218 in words is "two trillion, one hundred forty-two billion, seven hundred forty-nine million, three hundred seventy-six thousand, two hundred eighteen".