2398901149 has 4 divisors (see below), whose sum is σ = 2405068380. Its totient is φ = 2392733920.

The previous prime is 2398901143. The next prime is 2398901171. The reversal of 2398901149 is 9411098932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179077924 + 2219823225 = 13382^2 + 47115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398901149 - 2¹¹ = 2398899101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2398901099 and 2398901108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398901143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083032 + ... + 3083809.

It is an arithmetic number, because the mean of its divisors is an integer number (601267095).

Almost surely, 2^2398901149 is an apocalyptic number.

It is an amenable number.

2398901149 is a deficient number, since it is larger than the sum of its proper divisors (6167231).

2398901149 is an equidigital number, since it uses as much as digits as its factorization.

2398901149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167230.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 2398901149 is about 48978.5784705926. The cubic root of 2398901149 is about 1338.6615336748.

The spelling of 2398901149 in words is "two billion, three hundred ninety-eight million, nine hundred one thousand, one hundred forty-nine".