30270858991 has 2 divisors, whose sum is σ = 30270858992. Its totient is φ = 30270858990.

The previous prime is 30270858977. The next prime is 30270859007. The reversal of 30270858991 is 19985807203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30270858991 - 2²¹ = 30268761839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30270858901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15135429495 + 15135429496.

It is an arithmetic number, because the mean of its divisors is an integer number (15135429496).

Almost surely, 2^30270858991 is an apocalyptic number.

30270858991 is a deficient number, since it is larger than the sum of its proper divisors (1).

30270858991 is an equidigital number, since it uses as much as digits as its factorization.

30270858991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 30270858991 in words is "thirty billion, two hundred seventy million, eight hundred fifty-eight thousand, nine hundred ninety-one".