7481370381431 has 2 divisors, whose sum is σ = 7481370381432. Its totient is φ = 7481370381430.

The previous prime is 7481370381409. The next prime is 7481370381479. The reversal of 7481370381431 is 1341830731847.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7481370381431 is a prime.

It is a super-2 number, since 2×7481370381431² (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 7481370381431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7481370381631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740685190715 + 3740685190716.

It is an arithmetic number, because the mean of its divisors is an integer number (3740685190716).

Almost surely, 2^{7481370381431} is an apocalyptic number.

7481370381431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481370381431 is an equidigital number, since it uses as much as digits as its factorization.

7481370381431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 7481370381431 in words is "seven trillion, four hundred eighty-one billion, three hundred seventy million, three hundred eighty-one thousand, four hundred thirty-one".