30845348657 has 24 divisors (see below), whose sum is σ = 34369080480. Its totient is φ = 27588859200.

The previous prime is 30845348551. The next prime is 30845348659. The reversal of 30845348657 is 75684354803.

It is a happy number.

It is not a de Polignac number, because 30845348657 - 2¹⁶ = 30845283121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30845348599 and 30845348608.

It is not an unprimeable number, because it can be changed into a prime (30845348659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728018 + ... + 769220.

It is an arithmetic number, because the mean of its divisors is an integer number (1432045020).

Almost surely, 2^30845348657 is an apocalyptic number.

It is an amenable number.

30845348657 is a deficient number, since it is larger than the sum of its proper divisors (3523731823).

30845348657 is a wasteful number, since it uses less digits than its factorization.

30845348657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41325 (or 41294 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 30845348657 in words is "thirty billion, eight hundred forty-five million, three hundred forty-eight thousand, six hundred fifty-seven".