693750007513 has 2 divisors, whose sum is σ = 693750007514. Its totient is φ = 693750007512.

The previous prime is 693750007493. The next prime is 693750007519. The reversal of 693750007513 is 315700057396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652004571024 + 41745436489 = 807468^2 + 204317^2 .

It is a cyclic number.

It is not a de Polignac number, because 693750007513 - 2⁵ = 693750007481 is a prime.

It is not a weakly prime, because it can be changed into another prime (693750007519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346875003756 + 346875003757.

It is an arithmetic number, because the mean of its divisors is an integer number (346875003757).

Almost surely, 2^693750007513 is an apocalyptic number.

It is an amenable number.

693750007513 is a deficient number, since it is larger than the sum of its proper divisors (1).

693750007513 is an equidigital number, since it uses as much as digits as its factorization.

693750007513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 46.

The spelling of 693750007513 in words is "six hundred ninety-three billion, seven hundred fifty million, seven thousand, five hundred thirteen".