2397139201 has 4 divisors (see below), whose sum is σ = 2474466304. Its totient is φ = 2319812100.

The previous prime is 2397139193. The next prime is 2397139207. The reversal of 2397139201 is 1029317932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2397139201 - 2³ = 2397139193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397139207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38663505 + ... + 38663566.

It is an arithmetic number, because the mean of its divisors is an integer number (618616576).

Almost surely, 2^2397139201 is an apocalyptic number.

It is an amenable number.

2397139201 is a deficient number, since it is larger than the sum of its proper divisors (77327103).

2397139201 is an equidigital number, since it uses as much as digits as its factorization.

2397139201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77327102.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 2397139201 is about 48960.5882419727. The cubic root of 2397139201 is about 1338.3337127875. Note that the first 3 decimals are identical.

The spelling of 2397139201 in words is "two billion, three hundred ninety-seven million, one hundred thirty-nine thousand, two hundred one".