29412836817 has 32 divisors (see below), whose sum is σ = 50807608320. Its totient is φ = 14697910080.

The previous prime is 29412836809. The next prime is 29412836819. The reversal of 29412836817 is 71863821492.

It is a happy number.

It is not a de Polignac number, because 29412836817 - 2³ = 29412836809 is a prime.

It is a super-2 number, since 2×29412836817² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29412836817.

It is not an unprimeable number, because it can be changed into a prime (29412836819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2830059 + ... + 2840432.

It is an arithmetic number, because the mean of its divisors is an integer number (1587737760).

Almost surely, 2^29412836817 is an apocalyptic number.

It is an amenable number.

29412836817 is a deficient number, since it is larger than the sum of its proper divisors (21394771503).

29412836817 is a wasteful number, since it uses less digits than its factorization.

29412836817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670533.

The product of its digits is 1161216, while the sum is 51.

The spelling of 29412836817 in words is "twenty-nine billion, four hundred twelve million, eight hundred thirty-six thousand, eight hundred seventeen".