2643652433633 has 2 divisors, whose sum is σ = 2643652433634. Its totient is φ = 2643652433632.

The previous prime is 2643652433623. The next prime is 2643652433651. The reversal of 2643652433633 is 3363342563462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1790971945984 + 852680487649 = 1338272^2 + 923407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643652433633 - 2³² = 2639357466337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2643652433623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321826216816 + 1321826216817.

It is an arithmetic number, because the mean of its divisors is an integer number (1321826216817).

Almost surely, 2^{2643652433633} is an apocalyptic number.

It is an amenable number.

2643652433633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643652433633 is an equidigital number, since it uses as much as digits as its factorization.

2643652433633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 50.

The spelling of 2643652433633 in words is "two trillion, six hundred forty-three billion, six hundred fifty-two million, four hundred thirty-three thousand, six hundred thirty-three".