2643552645001 has 8 divisors (see below), whose sum is σ = 2656715392800. Its totient is φ = 2630410776000.

The previous prime is 2643552644969. The next prime is 2643552645017. The reversal of 2643552645001 is 1005462553462.

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

It is a cyclic number.

It is not a de Polignac number, because 2643552645001 - 2⁵ = 2643552644969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2643552645031) 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, 4965811 + ... + 5472328.

It is an arithmetic number, because the mean of its divisors is an integer number (332089424100).

Almost surely, 2^{2643552645001} is an apocalyptic number.

It is an amenable number.

2643552645001 is a deficient number, since it is larger than the sum of its proper divisors (13162747799).

2643552645001 is a wasteful number, since it uses less digits than its factorization.

2643552645001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439399.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 2643552645001 in words is "two trillion, six hundred forty-three billion, five hundred fifty-two million, six hundred forty-five thousand, one".