29314918657 has 8 divisors (see below), whose sum is σ = 29810388392. Its totient is φ = 28819929600.

The previous prime is 29314918649. The next prime is 29314918673. The reversal of 29314918657 is 75681941392.

It is a happy number.

It is a Cunningham number, because it is equal to 171216²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 953327376 + 28361591281 = 30876^2 + 168409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29314918657 - 2³ = 29314918649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29314918598 and 29314918607.

It is not an unprimeable number, because it can be changed into a prime (29314910657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3907 + ... + 242167.

It is an arithmetic number, because the mean of its divisors is an integer number (3726298549).

Almost surely, 2^29314918657 is an apocalyptic number.

It is an amenable number.

29314918657 is a deficient number, since it is larger than the sum of its proper divisors (495469735).

29314918657 is a wasteful number, since it uses less digits than its factorization.

29314918657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240339.

The product of its digits is 3265920, while the sum is 55.

The spelling of 29314918657 in words is "twenty-nine billion, three hundred fourteen million, nine hundred eighteen thousand, six hundred fifty-seven".