429712972291 has 4 divisors (see below), whose sum is σ = 439706297272. Its totient is φ = 419719647312.

The previous prime is 429712972279. The next prime is 429712972333. The reversal of 429712972291 is 192279217924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 429712972291 - 2⁷ = 429712972163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429712972201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4996662426 + ... + 4996662511.

It is an arithmetic number, because the mean of its divisors is an integer number (109926574318).

Almost surely, 2^429712972291 is an apocalyptic number.

429712972291 is a deficient number, since it is larger than the sum of its proper divisors (9993324981).

429712972291 is an equidigital number, since it uses as much as digits as its factorization.

429712972291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993324980.

The product of its digits is 2286144, while the sum is 55.

The spelling of 429712972291 in words is "four hundred twenty-nine billion, seven hundred twelve million, nine hundred seventy-two thousand, two hundred ninety-one".