30745245889 has 16 divisors (see below), whose sum is σ = 31601966400. Its totient is φ = 29901256704.

The previous prime is 30745245871. The next prime is 30745245901. The reversal of 30745245889 is 98854254703.

It is a cyclic number.

It is not a de Polignac number, because 30745245889 - 2⁵ = 30745245857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30745245829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4403169 + ... + 4410145.

It is an arithmetic number, because the mean of its divisors is an integer number (1975122900).

Almost surely, 2^30745245889 is an apocalyptic number.

It is an amenable number.

30745245889 is a deficient number, since it is larger than the sum of its proper divisors (856720511).

30745245889 is an equidigital number, since it uses as much as digits as its factorization.

30745245889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 30745245889 in words is "thirty billion, seven hundred forty-five million, two hundred forty-five thousand, eight hundred eighty-nine".