30625334513 has 2 divisors, whose sum is σ = 30625334514. Its totient is φ = 30625334512.

The previous prime is 30625334497. The next prime is 30625334533. The reversal of 30625334513 is 31543352603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21043273969 + 9582060544 = 145063^2 + 97888^2 .

It is a cyclic number.

It is not a de Polignac number, because 30625334513 - 2⁴ = 30625334497 is a prime.

It is a super-2 number, since 2×30625334513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30625334533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15312667256 + 15312667257.

It is an arithmetic number, because the mean of its divisors is an integer number (15312667257).

Almost surely, 2^30625334513 is an apocalyptic number.

It is an amenable number.

30625334513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30625334513 is an equidigital number, since it uses as much as digits as its factorization.

30625334513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 30625334513 in words is "thirty billion, six hundred twenty-five million, three hundred thirty-four thousand, five hundred thirteen".