2163642445262 has 8 divisors (see below), whose sum is σ = 3264897582576. Its totient is φ = 1075343251072.

The previous prime is 2163642445253. The next prime is 2163642445309. The reversal of 2163642445262 is 2625442463612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238985363 + ... + 3238986030.

It is an arithmetic number, because the mean of its divisors is an integer number (408112197822).

Almost surely, 2^{2163642445262} is an apocalyptic number.

2163642445262 is a deficient number, since it is larger than the sum of its proper divisors (1101255137314).

2163642445262 is a wasteful number, since it uses less digits than its factorization.

2163642445262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477971562.

The product of its digits is 3317760, while the sum is 47.

The spelling of 2163642445262 in words is "two trillion, one hundred sixty-three billion, six hundred forty-two million, four hundred forty-five thousand, two hundred sixty-two".