30948418628 has 6 divisors (see below), whose sum is σ = 54159732606. Its totient is φ = 15474209312.

The previous prime is 30948418619. The next prime is 30948418661. The reversal of 30948418628 is 82681484903.

It can be written as a sum of positive squares in only one way, i.e., 17878898944 + 13069519684 = 133712^2 + 114322^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30948418628.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3868552325 + ... + 3868552332.

It is an arithmetic number, because the mean of its divisors is an integer number (9026622101).

Almost surely, 2^30948418628 is an apocalyptic number.

It is an amenable number.

30948418628 is a deficient number, since it is larger than the sum of its proper divisors (23211313978).

30948418628 is a wasteful number, since it uses less digits than its factorization.

30948418628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737104661 (or 7737104659 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 30948418628 in words is "thirty billion, nine hundred forty-eight million, four hundred eighteen thousand, six hundred twenty-eight".