28417662929 has 2 divisors, whose sum is σ = 28417662930. Its totient is φ = 28417662928.

The previous prime is 28417662881. The next prime is 28417662979. The reversal of 28417662929 is 92926671482.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21192662929 + 7225000000 = 145577^2 + 85000^2 .

It is a cyclic number.

It is not a de Polignac number, because 28417662929 - 2²⁴ = 28400885713 is a prime.

It is not a weakly prime, because it can be changed into another prime (28417662979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14208831464 + 14208831465.

It is an arithmetic number, because the mean of its divisors is an integer number (14208831465).

Almost surely, 2^28417662929 is an apocalyptic number.

It is an amenable number.

28417662929 is a deficient number, since it is larger than the sum of its proper divisors (1).

28417662929 is an equidigital number, since it uses as much as digits as its factorization.

28417662929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 28417662929 in words is "twenty-eight billion, four hundred seventeen million, six hundred sixty-two thousand, nine hundred twenty-nine".