30147668919 has 12 divisors (see below), whose sum is σ = 44951363392. Its totient is φ = 19450108800.

The previous prime is 30147668911. The next prime is 30147668927. The reversal of 30147668919 is 91986674103.

It is an interprime number because it is at equal distance from previous prime (30147668911) and next prime (30147668927).

It is not a de Polignac number, because 30147668919 - 2³ = 30147668911 is a prime.

It is a super-2 number, since 2×30147668919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147668911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54027802 + ... + 54028359.

Almost surely, 2^30147668919 is an apocalyptic number.

30147668919 is a deficient number, since it is larger than the sum of its proper divisors (14803694473).

30147668919 is a wasteful number, since it uses less digits than its factorization.

30147668919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108056198 (or 108056195 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 30147668919 in words is "thirty billion, one hundred forty-seven million, six hundred sixty-eight thousand, nine hundred nineteen".