30157638713 has 2 divisors, whose sum is σ = 30157638714. Its totient is φ = 30157638712.

The previous prime is 30157638701. The next prime is 30157638739. The reversal of 30157638713 is 31783675103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23136539449 + 7021099264 = 152107^2 + 83792^2 .

It is an emirp because it is prime and its reverse (31783675103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30157638713 - 2¹⁴ = 30157622329 is a prime.

It is not a weakly prime, because it can be changed into another prime (30157638743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078819356 + 15078819357.

It is an arithmetic number, because the mean of its divisors is an integer number (15078819357).

Almost surely, 2^30157638713 is an apocalyptic number.

It is an amenable number.

30157638713 is a deficient number, since it is larger than the sum of its proper divisors (1).

30157638713 is an equidigital number, since it uses as much as digits as its factorization.

30157638713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 30157638713 in words is "thirty billion, one hundred fifty-seven million, six hundred thirty-eight thousand, seven hundred thirteen".