30448086973 has 4 divisors (see below), whose sum is σ = 30652436700. Its totient is φ = 30243737248.

The previous prime is 30448086919. The next prime is 30448086983. The reversal of 30448086973 is 37968084403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8252450649 + 22195636324 = 90843^2 + 148982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30448086973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30448086973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30448086983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102174640 + ... + 102174937.

It is an arithmetic number, because the mean of its divisors is an integer number (7663109175).

Almost surely, 2^30448086973 is an apocalyptic number.

It is an amenable number.

30448086973 is a deficient number, since it is larger than the sum of its proper divisors (204349727).

30448086973 is a wasteful number, since it uses less digits than its factorization.

30448086973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204349726.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 30448086973 in words is "thirty billion, four hundred forty-eight million, eighty-six thousand, nine hundred seventy-three".