30455531473 has 2 divisors, whose sum is σ = 30455531474. Its totient is φ = 30455531472.

The previous prime is 30455531419. The next prime is 30455531479. The reversal of 30455531473 is 37413555403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29871245889 + 584285584 = 172833^2 + 24172^2 .

It is a cyclic number.

It is not a de Polignac number, because 30455531473 - 2⁹ = 30455530961 is a prime.

It is not a weakly prime, because it can be changed into another prime (30455531479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15227765736 + 15227765737.

It is an arithmetic number, because the mean of its divisors is an integer number (15227765737).

Almost surely, 2^30455531473 is an apocalyptic number.

It is an amenable number.

30455531473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30455531473 is an equidigital number, since it uses as much as digits as its factorization.

30455531473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 30455531473 in words is "thirty billion, four hundred fifty-five million, five hundred thirty-one thousand, four hundred seventy-three".