4308157643 has 2 divisors, whose sum is σ = 4308157644. Its totient is φ = 4308157642.

The previous prime is 4308157621. The next prime is 4308157649. The reversal of 4308157643 is 3467518034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4308157643 - 2²⁰ = 4307109067 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4308157643.

It is not a weakly prime, because it can be changed into another prime (4308157649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154078821 + 2154078822.

It is an arithmetic number, because the mean of its divisors is an integer number (2154078822).

Almost surely, 2^4308157643 is an apocalyptic number.

4308157643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4308157643 is an equidigital number, since it uses as much as digits as its factorization.

4308157643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 4308157643 is about 65636.5572147108. The cubic root of 4308157643 is about 1627.1610088340.

The spelling of 4308157643 in words is "four billion, three hundred eight million, one hundred fifty-seven thousand, six hundred forty-three".