2072131870663 has 4 divisors (see below), whose sum is σ = 2194021980720. Its totient is φ = 1950241760608.

The previous prime is 2072131870657. The next prime is 2072131870673. The reversal of 2072131870663 is 3660781312702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072131870663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072131870673) 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, 60945055003 + ... + 60945055036.

It is an arithmetic number, because the mean of its divisors is an integer number (548505495180).

Almost surely, 2^{2072131870663} is an apocalyptic number.

2072131870663 is a deficient number, since it is larger than the sum of its proper divisors (121890110057).

2072131870663 is a wasteful number, since it uses less digits than its factorization.

2072131870663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121890110056.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 2072131870663 in words is "two trillion, seventy-two billion, one hundred thirty-one million, eight hundred seventy thousand, six hundred sixty-three".