30019449697 has 2 divisors, whose sum is σ = 30019449698. Its totient is φ = 30019449696.

The previous prime is 30019449671. The next prime is 30019449701. The reversal of 30019449697 is 79694491003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24089833681 + 5929616016 = 155209^2 + 77004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30019449697 is a prime.

It is a super-2 number, since 2×30019449697² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30019449617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009724848 + 15009724849.

It is an arithmetic number, because the mean of its divisors is an integer number (15009724849).

Almost surely, 2^30019449697 is an apocalyptic number.

It is an amenable number.

30019449697 is a deficient number, since it is larger than the sum of its proper divisors (1).

30019449697 is an equidigital number, since it uses as much as digits as its factorization.

30019449697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 30019449697 in words is "thirty billion, nineteen million, four hundred forty-nine thousand, six hundred ninety-seven".