30515414693 has 2 divisors, whose sum is σ = 30515414694. Its totient is φ = 30515414692.

The previous prime is 30515414663. The next prime is 30515414729. The reversal of 30515414693 is 39641451503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22827281569 + 7688133124 = 151087^2 + 87682^2 .

It is a cyclic number.

It is not a de Polignac number, because 30515414693 - 2²⁸ = 30246979237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30515414693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30515414653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257707346 + 15257707347.

It is an arithmetic number, because the mean of its divisors is an integer number (15257707347).

Almost surely, 2^30515414693 is an apocalyptic number.

It is an amenable number.

30515414693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30515414693 is an equidigital number, since it uses as much as digits as its factorization.

30515414693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 30515414693 in words is "thirty billion, five hundred fifteen million, four hundred fourteen thousand, six hundred ninety-three".