2402597399 has 4 divisors (see below), whose sum is σ = 2406990264. Its totient is φ = 2398204536.

The previous prime is 2402597387. The next prime is 2402597401. The reversal of 2402597399 is 9937952042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9937952042 = 2 ⋅4968976021.

It is a cyclic number.

It is not a de Polignac number, because 2402597399 - 2¹⁶ = 2402531863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402597339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195612 + ... + 2196705.

It is an arithmetic number, because the mean of its divisors is an integer number (601747566).

Almost surely, 2^2402597399 is an apocalyptic number.

2402597399 is a deficient number, since it is larger than the sum of its proper divisors (4392865).

2402597399 is an equidigital number, since it uses as much as digits as its factorization.

2402597399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392864.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 2402597399 is about 49016.2972795784. The cubic root of 2402597399 is about 1339.3487217159.

The spelling of 2402597399 in words is "two billion, four hundred two million, five hundred ninety-seven thousand, three hundred ninety-nine".