2164413263643 has 10 divisors (see below), whose sum is σ = 3233259319884. Its totient is φ = 1442942175708.

The previous prime is 2164413263627. The next prime is 2164413263647. The reversal of 2164413263643 is 3463623144612.

It is a happy number.

2164413263643 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 4 + 1 + 3 + 2 + 636 + 4 + 3 = 666.

It is not a de Polignac number, because 2164413263643 - 2⁴ = 2164413263627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164413263647) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13360575621 + ... + 13360575782.

Almost surely, 2^{2164413263643} is an apocalyptic number.

2164413263643 is a deficient number, since it is larger than the sum of its proper divisors (1068846056241).

2164413263643 is an equidigital number, since it uses as much as digits as its factorization.

2164413263643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26721151415 (or 26721151406 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 2164413263643 in words is "two trillion, one hundred sixty-four billion, four hundred thirteen million, two hundred sixty-three thousand, six hundred forty-three".