38281090663 has 2 divisors, whose sum is σ = 38281090664. Its totient is φ = 38281090662.

The previous prime is 38281090649. The next prime is 38281090691. The reversal of 38281090663 is 36609018283.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38281090663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38281090963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19140545331 + 19140545332.

It is an arithmetic number, because the mean of its divisors is an integer number (19140545332).

Almost surely, 2^38281090663 is an apocalyptic number.

38281090663 is a deficient number, since it is larger than the sum of its proper divisors (1).

38281090663 is an equidigital number, since it uses as much as digits as its factorization.

38281090663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 38281090663 in words is "thirty-eight billion, two hundred eighty-one million, ninety thousand, six hundred sixty-three".