7145002736731 has 2 divisors, whose sum is σ = 7145002736732. Its totient is φ = 7145002736730.

The previous prime is 7145002736713. The next prime is 7145002736771. The reversal of 7145002736731 is 1376372005417.

Together with previous prime (7145002736713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1376372005417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7145002736731 is a prime.

It is a super-2 number, since 2×7145002736731² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7145002736771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572501368365 + 3572501368366.

It is an arithmetic number, because the mean of its divisors is an integer number (3572501368366).

Almost surely, 2^{7145002736731} is an apocalyptic number.

7145002736731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145002736731 is an equidigital number, since it uses as much as digits as its factorization.

7145002736731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 7145002736731 in words is "seven trillion, one hundred forty-five billion, two million, seven hundred thirty-six thousand, seven hundred thirty-one".