30245998893 has 24 divisors (see below), whose sum is σ = 44406503904. Its totient is φ = 18298225440.

The previous prime is 30245998879. The next prime is 30245998897. The reversal of 30245998893 is 39889954203.

It is not a de Polignac number, because 30245998893 - 2¹⁰ = 30245997869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245998897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130371 + ... + 278367.

It is an arithmetic number, because the mean of its divisors is an integer number (1850270996).

Almost surely, 2^30245998893 is an apocalyptic number.

30245998893 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30245998893 is a deficient number, since it is larger than the sum of its proper divisors (14160505011).

30245998893 is a wasteful number, since it uses less digits than its factorization.

30245998893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148585 (or 148574 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 30245998893 in words is "thirty billion, two hundred forty-five million, nine hundred ninety-eight thousand, eight hundred ninety-three".