30846921929 has 2 divisors, whose sum is σ = 30846921930. Its totient is φ = 30846921928.

The previous prime is 30846921913. The next prime is 30846921953. The reversal of 30846921929 is 92912964803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29601890704 + 1245031225 = 172052^2 + 35285^2 .

It is a cyclic number.

It is not a de Polignac number, because 30846921929 - 2⁴ = 30846921913 is a prime.

It is not a weakly prime, because it can be changed into another prime (30846921979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423460964 + 15423460965.

It is an arithmetic number, because the mean of its divisors is an integer number (15423460965).

Almost surely, 2^30846921929 is an apocalyptic number.

It is an amenable number.

30846921929 is a deficient number, since it is larger than the sum of its proper divisors (1).

30846921929 is an equidigital number, since it uses as much as digits as its factorization.

30846921929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 30846921929 in words is "thirty billion, eight hundred forty-six million, nine hundred twenty-one thousand, nine hundred twenty-nine".