2643672412671 has 8 divisors (see below), whose sum is σ = 3582681739824. Its totient is φ = 1733555680320.

The previous prime is 2643672412651. The next prime is 2643672412697. The reversal of 2643672412671 is 1762142763462.

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

It is not a de Polignac number, because 2643672412671 - 2²⁵ = 2643638858239 is a prime.

It is a super-2 number, since 2×2643672412671² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643672412651) 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, 7223148486 + ... + 7223148851.

It is an arithmetic number, because the mean of its divisors is an integer number (447835217478).

Almost surely, 2^{2643672412671} is an apocalyptic number.

2643672412671 is a deficient number, since it is larger than the sum of its proper divisors (939009327153).

2643672412671 is a wasteful number, since it uses less digits than its factorization.

2643672412671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14446297401.

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

The spelling of 2643672412671 in words is "two trillion, six hundred forty-three billion, six hundred seventy-two million, four hundred twelve thousand, six hundred seventy-one".