30769647129 has 48 divisors (see below), whose sum is σ = 48509353984. Its totient is φ = 18681062400.

The previous prime is 30769647119. The next prime is 30769647133. The reversal of 30769647129 is 92174696703.

It is a happy number.

It is not a de Polignac number, because 30769647129 - 2⁴ = 30769647113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30769647119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3752424 + ... + 3760614.

Almost surely, 2^30769647129 is an apocalyptic number.

30769647129 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30769647129 is a deficient number, since it is larger than the sum of its proper divisors (17739706855).

30769647129 is a wasteful number, since it uses less digits than its factorization.

30769647129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638 (or 8635 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 30769647129 in words is "thirty billion, seven hundred sixty-nine million, six hundred forty-seven thousand, one hundred twenty-nine".