2400754786897 has 2 divisors, whose sum is σ = 2400754786898. Its totient is φ = 2400754786896.

The previous prime is 2400754786849. The next prime is 2400754786931. The reversal of 2400754786897 is 7986874570042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2095803440721 + 304951346176 = 1447689^2 + 552224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400754786897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2400754786817) 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 as a sum of consecutive naturals, namely, 1200377393448 + 1200377393449.

It is an arithmetic number, because the mean of its divisors is an integer number (1200377393449).

Almost surely, 2^{2400754786897} is an apocalyptic number.

It is an amenable number.

2400754786897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400754786897 is an equidigital number, since it uses as much as digits as its factorization.

2400754786897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189665280, while the sum is 67.

The spelling of 2400754786897 in words is "two trillion, four hundred billion, seven hundred fifty-four million, seven hundred eighty-six thousand, eight hundred ninety-seven".