29455827129 has 27 divisors (see below), whose sum is σ = 44919415749. Its totient is φ = 18597501720.

The previous prime is 29455827103. The next prime is 29455827139. The reversal of 29455827129 is 92172855492.

The square root of 29455827129 is 171627.

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

29455827129 is a `hidden beast` number, since 2 + 9 + 45 + 582 + 7 + 12 + 9 = 666.

It is not a de Polignac number, because 29455827129 - 2¹⁷ = 29455696057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29455827139) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9781234 + ... + 9784244.

Almost surely, 2^29455827129 is an apocalyptic number.

29455827129 is the 171627-th square number.

29455827129 is the 85814-th centered octagonal number.

It is an amenable number.

29455827129 is a deficient number, since it is larger than the sum of its proper divisors (15463588620).

29455827129 is an frugal number, since it uses more digits than its factorization.

29455827129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066 (or 3033 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 29455827129 in words is "twenty-nine billion, four hundred fifty-five million, eight hundred twenty-seven thousand, one hundred twenty-nine".