30638807853029 has 2 divisors, whose sum is σ = 30638807853030. Its totient is φ = 30638807853028.

The previous prime is 30638807853013. The next prime is 30638807853161. The reversal of 30638807853029 is 92035870883603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17417075584129 + 13221732268900 = 4173377^2 + 3636170^2 .

It is a cyclic number.

It is not a de Polignac number, because 30638807853029 - 2⁴ = 30638807853013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30638807853629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15319403926514 + 15319403926515.

It is an arithmetic number, because the mean of its divisors is an integer number (15319403926515).

Almost surely, 2^{30638807853029} is an apocalyptic number.

It is an amenable number.

30638807853029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30638807853029 is an equidigital number, since it uses as much as digits as its factorization.

30638807853029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 30638807853029 in words is "thirty trillion, six hundred thirty-eight billion, eight hundred seven million, eight hundred fifty-three thousand, twenty-nine".