7450117278431 has 2 divisors, whose sum is σ = 7450117278432. Its totient is φ = 7450117278430.

The previous prime is 7450117278343. The next prime is 7450117278469. The reversal of 7450117278431 is 1348727110547.

7450117278431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7450117278431 is a prime.

It is a super-2 number, since 2×7450117278431² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7450117278431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7450117278491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3725058639215 + 3725058639216.

It is an arithmetic number, because the mean of its divisors is an integer number (3725058639216).

Almost surely, 2^{7450117278431} is an apocalyptic number.

7450117278431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7450117278431 is an equidigital number, since it uses as much as digits as its factorization.

7450117278431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 7450117278431 in words is "seven trillion, four hundred fifty billion, one hundred seventeen million, two hundred seventy-eight thousand, four hundred thirty-one".