4308157649 has 2 divisors, whose sum is σ = 4308157650. Its totient is φ = 4308157648.

The previous prime is 4308157643. The next prime is 4308157741. The reversal of 4308157649 is 9467518034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4207857424 + 100300225 = 64868^2 + 10015^2 .

It is a cyclic number.

It is not a de Polignac number, because 4308157649 - 2²⁴ = 4291380433 is a prime.

It is not a weakly prime, because it can be changed into another prime (4308157643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154078824 + 2154078825.

It is an arithmetic number, because the mean of its divisors is an integer number (2154078825).

Almost surely, 2^4308157649 is an apocalyptic number.

It is an amenable number.

4308157649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4308157649 is an equidigital number, since it uses as much as digits as its factorization.

4308157649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 4308157649 is about 65636.5572604170. The cubic root of 4308157649 is about 1627.1610095894.

The spelling of 4308157649 in words is "four billion, three hundred eight million, one hundred fifty-seven thousand, six hundred forty-nine".