38923668229 has 2 divisors, whose sum is σ = 38923668230. Its totient is φ = 38923668228.

The previous prime is 38923668211. The next prime is 38923668247. The reversal of 38923668229 is 92286632983.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (38923668211) and next prime (38923668247).

It can be written as a sum of positive squares in only one way, i.e., 38341556100 + 582112129 = 195810^2 + 24127^2 .

It is a cyclic number.

It is not a de Polignac number, because 38923668229 - 2²³ = 38915279621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38929668229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461834114 + 19461834115.

It is an arithmetic number, because the mean of its divisors is an integer number (19461834115).

Almost surely, 2^38923668229 is an apocalyptic number.

It is an amenable number.

38923668229 is a deficient number, since it is larger than the sum of its proper divisors (1).

38923668229 is an equidigital number, since it uses as much as digits as its factorization.

38923668229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 58.

The spelling of 38923668229 in words is "thirty-eight billion, nine hundred twenty-three million, six hundred sixty-eight thousand, two hundred twenty-nine".