38782655651 has 2 divisors, whose sum is σ = 38782655652. Its totient is φ = 38782655650.

The previous prime is 38782655573. The next prime is 38782655663. The reversal of 38782655651 is 15655628783.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15655628783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38782655651 is a prime.

It is not a weakly prime, because it can be changed into another prime (38782055651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19391327825 + 19391327826.

It is an arithmetic number, because the mean of its divisors is an integer number (19391327826).

Almost surely, 2^38782655651 is an apocalyptic number.

38782655651 is a deficient number, since it is larger than the sum of its proper divisors (1).

38782655651 is an equidigital number, since it uses as much as digits as its factorization.

38782655651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 56.

The spelling of 38782655651 in words is "thirty-eight billion, seven hundred eighty-two million, six hundred fifty-five thousand, six hundred fifty-one".