4245399241 has 2 divisors, whose sum is σ = 4245399242. Its totient is φ = 4245399240.

The previous prime is 4245399229. The next prime is 4245399251. The reversal of 4245399241 is 1429935424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2631690000 + 1613709241 = 51300^2 + 40171^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245399241 - 2⁷ = 4245399113 is a prime.

It is not a weakly prime, because it can be changed into another prime (4245399251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122699620 + 2122699621.

It is an arithmetic number, because the mean of its divisors is an integer number (2122699621).

Almost surely, 2^4245399241 is an apocalyptic number.

It is an amenable number.

4245399241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245399241 is an equidigital number, since it uses as much as digits as its factorization.

4245399241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 4245399241 is about 65156.7282864939. The cubic root of 4245399241 is about 1619.2211926133.

The spelling of 4245399241 in words is "four billion, two hundred forty-five million, three hundred ninety-nine thousand, two hundred forty-one".