30149399719 has 2 divisors, whose sum is σ = 30149399720. Its totient is φ = 30149399718.

The previous prime is 30149399713. The next prime is 30149399729. The reversal of 30149399719 is 91799394103.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30149399719 is a prime.

It is a super-2 number, since 2×30149399719² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30149399719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30149399713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15074699859 + 15074699860.

It is an arithmetic number, because the mean of its divisors is an integer number (15074699860).

Almost surely, 2^30149399719 is an apocalyptic number.

30149399719 is a deficient number, since it is larger than the sum of its proper divisors (1).

30149399719 is an equidigital number, since it uses as much as digits as its factorization.

30149399719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The spelling of 30149399719 in words is "thirty billion, one hundred forty-nine million, three hundred ninety-nine thousand, seven hundred nineteen".