30013689790 has 48 divisors (see below), whose sum is σ = 61907987232. Its totient is φ = 10262889216.

The previous prime is 30013689697. The next prime is 30013689791. The reversal of 30013689790 is 9798631003.

It is a self number, because there is not a number n which added to its sum of digits gives 30013689790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013689791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14618404 + ... + 14620456.

It is an arithmetic number, because the mean of its divisors is an integer number (1289749734).

Almost surely, 2^30013689790 is an apocalyptic number.

30013689790 is an abundant number, since it is smaller than the sum of its proper divisors (31894297442).

30013689790 is an equidigital number, since it uses as much as digits as its factorization.

30013689790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 30013689790 in words is "thirty billion, thirteen million, six hundred eighty-nine thousand, seven hundred ninety".