30740621413 has 2 divisors, whose sum is σ = 30740621414. Its totient is φ = 30740621412.

The previous prime is 30740621371. The next prime is 30740621491. The reversal of 30740621413 is 31412604703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30165437124 + 575184289 = 173682^2 + 23983^2 .

It is an emirp because it is prime and its reverse (31412604703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30740621413 - 2⁹ = 30740620901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30740624413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15370310706 + 15370310707.

It is an arithmetic number, because the mean of its divisors is an integer number (15370310707).

Almost surely, 2^30740621413 is an apocalyptic number.

It is an amenable number.

30740621413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30740621413 is an equidigital number, since it uses as much as digits as its factorization.

30740621413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 30740621413 in words is "thirty billion, seven hundred forty million, six hundred twenty-one thousand, four hundred thirteen".