30683298645 has 48 divisors (see below), whose sum is σ = 56268051840. Its totient is φ = 15424359552.

The previous prime is 30683298629. The next prime is 30683298661. The reversal of 30683298645 is 54689238603.

30683298645 is a `hidden beast` number, since 306 + 8 + 3 + 298 + 6 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (30683298629) and next prime (30683298661).

It is not a de Polignac number, because 30683298645 - 2⁴ = 30683298629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30683298591 and 30683298600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77352 + ... + 259518.

It is an arithmetic number, because the mean of its divisors is an integer number (1172251080).

Almost surely, 2^30683298645 is an apocalyptic number.

It is an amenable number.

30683298645 is a deficient number, since it is larger than the sum of its proper divisors (25584753195).

30683298645 is a wasteful number, since it uses less digits than its factorization.

30683298645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182394 (or 182391 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 30683298645 in words is "thirty billion, six hundred eighty-three million, two hundred ninety-eight thousand, six hundred forty-five".