29706906797 has 4 divisors (see below), whose sum is σ = 29707258620. Its totient is φ = 29706554976.

The previous prime is 29706906793. The next prime is 29706906833. The reversal of 29706906797 is 79760960792.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18787910761 + 10918996036 = 137069^2 + 104494^2 .

It is a cyclic number.

It is not a de Polignac number, because 29706906797 - 2² = 29706906793 is a prime.

It is a super-2 number, since 2×29706906797² (a number of 22 digits) contains 22 as substring.

It is a deceptive number, since it divides R_29706906796.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29706906793) 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, 35183 + ... + 246275.

It is an arithmetic number, because the mean of its divisors is an integer number (7426814655).

It is a Poulet number, since it divides 2^29706906796-1.

Almost surely, 2^29706906797 is an apocalyptic number.

29706906797 is the 140729-th pentagonal number.

It is an amenable number.

29706906797 is a deficient number, since it is larger than the sum of its proper divisors (351823).

29706906797 is a wasteful number, since it uses less digits than its factorization.

29706906797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351822.

The product of its (nonzero) digits is 18003384, while the sum is 62.

The spelling of 29706906797 in words is "twenty-nine billion, seven hundred six million, nine hundred six thousand, seven hundred ninety-seven".