745461142513 has 2 divisors, whose sum is σ = 745461142514. Its totient is φ = 745461142512.

The previous prime is 745461142511. The next prime is 745461142549. The reversal of 745461142513 is 315241164547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405301576689 + 340159565824 = 636633^2 + 583232^2 .

It is a cyclic number.

It is not a de Polignac number, because 745461142513 - 2¹ = 745461142511 is a prime.

Together with 745461142511, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 745461142513.

It is not a weakly prime, because it can be changed into another prime (745461142511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372730571256 + 372730571257.

It is an arithmetic number, because the mean of its divisors is an integer number (372730571257).

Almost surely, 2^745461142513 is an apocalyptic number.

It is an amenable number.

745461142513 is a deficient number, since it is larger than the sum of its proper divisors (1).

745461142513 is an equidigital number, since it uses as much as digits as its factorization.

745461142513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The spelling of 745461142513 in words is "seven hundred forty-five billion, four hundred sixty-one million, one hundred forty-two thousand, five hundred thirteen".