38091423553 has 2 divisors, whose sum is σ = 38091423554. Its totient is φ = 38091423552.

The previous prime is 38091423529. The next prime is 38091423581. The reversal of 38091423553 is 35532419083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30101209009 + 7990214544 = 173497^2 + 89388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38091423553 is a prime.

It is not a weakly prime, because it can be changed into another prime (38091420553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19045711776 + 19045711777.

It is an arithmetic number, because the mean of its divisors is an integer number (19045711777).

Almost surely, 2^38091423553 is an apocalyptic number.

It is an amenable number.

38091423553 is a deficient number, since it is larger than the sum of its proper divisors (1).

38091423553 is an equidigital number, since it uses as much as digits as its factorization.

38091423553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 38091423553 in words is "thirty-eight billion, ninety-one million, four hundred twenty-three thousand, five hundred fifty-three".