2142137266647 has 32 divisors (see below), whose sum is σ = 3284924585472. Its totient is φ = 1216318122624.

The previous prime is 2142137266639. The next prime is 2142137266649. The reversal of 2142137266647 is 7466627312412.

It is not a de Polignac number, because 2142137266647 - 2³ = 2142137266639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142137266647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142137266649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6327193 + ... + 6657149.

It is an arithmetic number, because the mean of its divisors is an integer number (102653893296).

Almost surely, 2^{2142137266647} is an apocalyptic number.

2142137266647 is a deficient number, since it is larger than the sum of its proper divisors (1142787318825).

2142137266647 is a wasteful number, since it uses less digits than its factorization.

2142137266647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331927.

The product of its digits is 4064256, while the sum is 51.

The spelling of 2142137266647 in words is "two trillion, one hundred forty-two billion, one hundred thirty-seven million, two hundred sixty-six thousand, six hundred forty-seven".