2398150649 has 2 divisors, whose sum is σ = 2398150650. Its totient is φ = 2398150648.

The previous prime is 2398150619. The next prime is 2398150663. The reversal of 2398150649 is 9460518932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1244325625 + 1153825024 = 35275^2 + 33968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2398150649 is a prime.

It is a super-2 number, since 2×2398150649² = 11502253070598242402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2398150609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199075324 + 1199075325.

It is an arithmetic number, because the mean of its divisors is an integer number (1199075325).

Almost surely, 2^2398150649 is an apocalyptic number.

It is an amenable number.

2398150649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398150649 is an equidigital number, since it uses as much as digits as its factorization.

2398150649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2398150649 is about 48970.9163585898. The cubic root of 2398150649 is about 1338.5219183250.

The spelling of 2398150649 in words is "two billion, three hundred ninety-eight million, one hundred fifty thousand, six hundred forty-nine".