30269027991 has 16 divisors (see below), whose sum is σ = 40479261824. Its totient is φ = 20119122144.

The previous prime is 30269027963. The next prime is 30269028001. The reversal of 30269027991 is 19972096203.

It is not a de Polignac number, because 30269027991 - 2⁵ = 30269027959 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 30269027991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30269027951) 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, 3333840 + ... + 3342906.

It is an arithmetic number, because the mean of its divisors is an integer number (2529953864).

Almost surely, 2^30269027991 is an apocalyptic number.

30269027991 is a deficient number, since it is larger than the sum of its proper divisors (10210233833).

30269027991 is a wasteful number, since it uses less digits than its factorization.

30269027991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12270.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 30269027991 in words is "thirty billion, two hundred sixty-nine million, twenty-seven thousand, nine hundred ninety-one".