30449457793 has 4 divisors (see below), whose sum is σ = 30451490608. Its totient is φ = 30447424980.

The previous prime is 30449457769. The next prime is 30449457821. The reversal of 30449457793 is 39775494403.

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 cyclic number.

It is not a de Polignac number, because 30449457793 - 2⁵ = 30449457761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30449857793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993771 + ... + 1023952.

It is an arithmetic number, because the mean of its divisors is an integer number (7612872652).

Almost surely, 2^30449457793 is an apocalyptic number.

It is an amenable number.

30449457793 is a deficient number, since it is larger than the sum of its proper divisors (2032815).

30449457793 is a wasteful number, since it uses less digits than its factorization.

30449457793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032814.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 30449457793 in words is "thirty billion, four hundred forty-nine million, four hundred fifty-seven thousand, seven hundred ninety-three".