2397972751 has 2 divisors, whose sum is σ = 2397972752. Its totient is φ = 2397972750.

The previous prime is 2397972749. The next prime is 2397972761. The reversal of 2397972751 is 1572797932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2397972751 - 2¹ = 2397972749 is a prime.

Together with 2397972749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2397972761) 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 as a sum of consecutive naturals, namely, 1198986375 + 1198986376.

It is an arithmetic number, because the mean of its divisors is an integer number (1198986376).

Almost surely, 2^2397972751 is an apocalyptic number.

2397972751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397972751 is an equidigital number, since it uses as much as digits as its factorization.

2397972751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666980, while the sum is 52.

The square root of 2397972751 is about 48969.0999610979. The cubic root of 2397972751 is about 1338.4888197287.

The spelling of 2397972751 in words is "two billion, three hundred ninety-seven million, nine hundred seventy-two thousand, seven hundred fifty-one".