30427919397 has 12 divisors (see below), whose sum is σ = 45369227904. Its totient is φ = 19630915560.

The previous prime is 30427919339. The next prime is 30427919413. The reversal of 30427919397 is 79391972403.

It is not a de Polignac number, because 30427919397 - 2²² = 30423725093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30427919317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54530043 + ... + 54530600.

It is an arithmetic number, because the mean of its divisors is an integer number (3780768992).

Almost surely, 2^30427919397 is an apocalyptic number.

It is an amenable number.

30427919397 is a deficient number, since it is larger than the sum of its proper divisors (14941308507).

30427919397 is a wasteful number, since it uses less digits than its factorization.

30427919397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109060680 (or 109060677 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 30427919397 in words is "thirty billion, four hundred twenty-seven million, nine hundred nineteen thousand, three hundred ninety-seven".