2402274705731 has 2 divisors, whose sum is σ = 2402274705732. Its totient is φ = 2402274705730.

The previous prime is 2402274705529. The next prime is 2402274705757. The reversal of 2402274705731 is 1375074722042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402274705731 is a prime.

It is a super-2 number, since 2×2402274705731² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2402274705791) 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, 1201137352865 + 1201137352866.

It is an arithmetic number, because the mean of its divisors is an integer number (1201137352866).

Almost surely, 2^{2402274705731} is an apocalyptic number.

2402274705731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402274705731 is an equidigital number, since it uses as much as digits as its factorization.

2402274705731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 2402274705731 in words is "two trillion, four hundred two billion, two hundred seventy-four million, seven hundred five thousand, seven hundred thirty-one".