30446457073 has 4 divisors (see below), whose sum is σ = 31094254080. Its totient is φ = 29798660068.

The previous prime is 30446457031. The next prime is 30446457079. The reversal of 30446457073 is 37075464403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-30446457073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30446457079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323898433 + ... + 323898526.

It is an arithmetic number, because the mean of its divisors is an integer number (7773563520).

Almost surely, 2^30446457073 is an apocalyptic number.

It is an amenable number.

30446457073 is a deficient number, since it is larger than the sum of its proper divisors (647797007).

30446457073 is an equidigital number, since it uses as much as digits as its factorization.

30446457073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647797006.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 30446457073 in words is "thirty billion, four hundred forty-six million, four hundred fifty-seven thousand, seventy-three".