4260249157 has 2 divisors, whose sum is σ = 4260249158. Its totient is φ = 4260249156.

The previous prime is 4260249151. The next prime is 4260249251. The reversal of 4260249157 is 7519420624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3657104676 + 603144481 = 60474^2 + 24559^2 .

It is a cyclic number.

It is not a de Polignac number, because 4260249157 - 2¹⁹ = 4259724869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4260249151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130124578 + 2130124579.

It is an arithmetic number, because the mean of its divisors is an integer number (2130124579).

Almost surely, 2^4260249157 is an apocalyptic number.

It is an amenable number.

4260249157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4260249157 is an equidigital number, since it uses as much as digits as its factorization.

4260249157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 4260249157 is about 65270.5841631588. The cubic root of 4260249157 is about 1621.1069451496.

The spelling of 4260249157 in words is "four billion, two hundred sixty million, two hundred forty-nine thousand, one hundred fifty-seven".