30047686406929 has 9 divisors (see below), whose sum is σ = 30798662056561. Its totient is φ = 29314596743680.

The previous prime is 30047686406861. The next prime is 30047686406939. The reversal of 30047686406929 is 92960468674003.

The square root of 30047686406929 is 5481577.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 23802445500625 + 6245240906304 = 4878775^2 + 2499048^2 .

It is not a de Polignac number, because 30047686406929 - 2⁹ = 30047686406417 is a prime.

It is a super-2 number, since 2×30047686406929² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30047686406939) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 224677809 + ... + 224811505.

Almost surely, 2^{30047686406929} is an apocalyptic number.

30047686406929 is the 5481577-th square number.

30047686406929 is the 2740789-th centered octagonal number.

It is an amenable number.

30047686406929 is a deficient number, since it is larger than the sum of its proper divisors (750975649632).

30047686406929 is an frugal number, since it uses more digits than its factorization.

30047686406929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267476 (or 133738 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 64.

The spelling of 30047686406929 in words is "thirty trillion, forty-seven billion, six hundred eighty-six million, four hundred six thousand, nine hundred twenty-nine".