30475546973 has 2 divisors, whose sum is σ = 30475546974. Its totient is φ = 30475546972.

The previous prime is 30475546931. The next prime is 30475546979. The reversal of 30475546973 is 37964557403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30318470884 + 157076089 = 174122^2 + 12533^2 .

It is a cyclic number.

It is not a de Polignac number, because 30475546973 - 2⁶ = 30475546909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30475546979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15237773486 + 15237773487.

It is an arithmetic number, because the mean of its divisors is an integer number (15237773487).

Almost surely, 2^30475546973 is an apocalyptic number.

It is an amenable number.

30475546973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30475546973 is an equidigital number, since it uses as much as digits as its factorization.

30475546973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 30475546973 in words is "thirty billion, four hundred seventy-five million, five hundred forty-six thousand, nine hundred seventy-three".