30764728429 has 2 divisors, whose sum is σ = 30764728430. Its totient is φ = 30764728428.

The previous prime is 30764728403. The next prime is 30764728481. The reversal of 30764728429 is 92482746703.

It is an a-pointer prime, because the next prime (30764728481) can be obtained adding 30764728429 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28748898025 + 2015830404 = 169555^2 + 44898^2 .

It is a cyclic number.

It is not a de Polignac number, because 30764728429 - 2⁷ = 30764728301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30764728229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15382364214 + 15382364215.

It is an arithmetic number, because the mean of its divisors is an integer number (15382364215).

Almost surely, 2^30764728429 is an apocalyptic number.

It is an amenable number.

30764728429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30764728429 is an equidigital number, since it uses as much as digits as its factorization.

30764728429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 30764728429 in words is "thirty billion, seven hundred sixty-four million, seven hundred twenty-eight thousand, four hundred twenty-nine".