38883833509 has 2 divisors, whose sum is σ = 38883833510. Its totient is φ = 38883833508.

The previous prime is 38883833501. The next prime is 38883833533. The reversal of 38883833509 is 90533838883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31407637284 + 7476196225 = 177222^2 + 86465^2 .

It is an emirp because it is prime and its reverse (90533838883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38883833509 - 2³ = 38883833501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38883833501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19441916754 + 19441916755.

It is an arithmetic number, because the mean of its divisors is an integer number (19441916755).

Almost surely, 2^38883833509 is an apocalyptic number.

It is an amenable number.

38883833509 is a deficient number, since it is larger than the sum of its proper divisors (1).

38883833509 is an equidigital number, since it uses as much as digits as its factorization.

38883833509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 38883833509 in words is "thirty-eight billion, eight hundred eighty-three million, eight hundred thirty-three thousand, five hundred nine".