4313640157643 has 2 divisors, whose sum is σ = 4313640157644. Its totient is φ = 4313640157642.

The previous prime is 4313640157637. The next prime is 4313640157663. The reversal of 4313640157643 is 3467510463134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4313640157643 - 2⁴ = 4313640157627 is a prime.

It is not a weakly prime, because it can be changed into another prime (4313640157663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156820078821 + 2156820078822.

It is an arithmetic number, because the mean of its divisors is an integer number (2156820078822).

Almost surely, 2^{4313640157643} is an apocalyptic number.

4313640157643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313640157643 is an equidigital number, since it uses as much as digits as its factorization.

4313640157643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 4313640157643 in words is "four trillion, three hundred thirteen billion, six hundred forty million, one hundred fifty-seven thousand, six hundred forty-three".