29427864147 has 12 divisors (see below), whose sum is σ = 46371180024. Its totient is φ = 17835069120.

The previous prime is 29427864139. The next prime is 29427864163. The reversal of 29427864147 is 74146872492.

29427864147 is a `hidden beast` number, since 294 + 278 + 6 + 41 + 47 = 666.

It is not a de Polignac number, because 29427864147 - 2³ = 29427864139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29427864093 and 29427864102.

It is not an unprimeable number, because it can be changed into a prime (29427864247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148625478 + ... + 148625675.

It is an arithmetic number, because the mean of its divisors is an integer number (3864265002).

Almost surely, 2^29427864147 is an apocalyptic number.

29427864147 is a deficient number, since it is larger than the sum of its proper divisors (16943315877).

29427864147 is a wasteful number, since it uses less digits than its factorization.

29427864147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297251170 (or 297251167 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 29427864147 in words is "twenty-nine billion, four hundred twenty-seven million, eight hundred sixty-four thousand, one hundred forty-seven".