30472998615 has 24 divisors (see below), whose sum is σ = 52855218000. Its totient is φ = 16241387904.

The previous prime is 30472998607. The next prime is 30472998623. The reversal of 30472998615 is 51689927403.

30472998615 is a `hidden beast` number, since 3 + 0 + 472 + 99 + 86 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (30472998607) and next prime (30472998623).

It is not a de Polignac number, because 30472998615 - 2³ = 30472998607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158422 + ... + 293331.

It is an arithmetic number, because the mean of its divisors is an integer number (2202300750).

It is a 1-persistent number, because it is pandigital, but 2⋅30472998615 = 60945997230 is not.

Almost surely, 2^30472998615 is an apocalyptic number.

30472998615 is a deficient number, since it is larger than the sum of its proper divisors (22382219385).

30472998615 is a wasteful number, since it uses less digits than its factorization.

30472998615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453263 (or 453260 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 30472998615 in words is "thirty billion, four hundred seventy-two million, nine hundred ninety-eight thousand, six hundred fifteen".