30740521429 has 2 divisors, whose sum is σ = 30740521430. Its totient is φ = 30740521428.

The previous prime is 30740521417. The next prime is 30740521457. The reversal of 30740521429 is 92412504703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25185055204 + 5555466225 = 158698^2 + 74535^2 .

It is a cyclic number.

It is not a de Polignac number, because 30740521429 - 2⁵ = 30740521397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30740521489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15370260714 + 15370260715.

It is an arithmetic number, because the mean of its divisors is an integer number (15370260715).

Almost surely, 2^30740521429 is an apocalyptic number.

It is an amenable number.

30740521429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30740521429 is an equidigital number, since it uses as much as digits as its factorization.

30740521429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30740521429 in words is "thirty billion, seven hundred forty million, five hundred twenty-one thousand, four hundred twenty-nine".