30628967817 has 16 divisors (see below), whose sum is σ = 47934138752. Its totient is φ = 17029232640.

The previous prime is 30628967801. The next prime is 30628967821. The reversal of 30628967817 is 71876982603.

It is not a de Polignac number, because 30628967817 - 2⁴ = 30628967801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30628967827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19708984 + ... + 19710537.

It is an arithmetic number, because the mean of its divisors is an integer number (2995883672).

Almost surely, 2^30628967817 is an apocalyptic number.

30628967817 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30628967817 is a deficient number, since it is larger than the sum of its proper divisors (17305170935).

30628967817 is a wasteful number, since it uses less digits than its factorization.

30628967817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39419568.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 30628967817 in words is "thirty billion, six hundred twenty-eight million, nine hundred sixty-seven thousand, eight hundred seventeen".