30899541889 has 8 divisors (see below), whose sum is σ = 32334348672. Its totient is φ = 29472347520.

The previous prime is 30899541877. The next prime is 30899541917. The reversal of 30899541889 is 98814599803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30899541889 - 2⁵ = 30899541857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30899541889.

It is not an unprimeable number, because it can be changed into a prime (30899541809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894797 + ... + 1911034.

It is an arithmetic number, because the mean of its divisors is an integer number (4041793584).

Almost surely, 2^30899541889 is an apocalyptic number.

It is an amenable number.

30899541889 is a deficient number, since it is larger than the sum of its proper divisors (1434806783).

30899541889 is a wasteful number, since it uses less digits than its factorization.

30899541889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806207.

The product of its (nonzero) digits is 22394880, while the sum is 64.

The spelling of 30899541889 in words is "thirty billion, eight hundred ninety-nine million, five hundred forty-one thousand, eight hundred eighty-nine".