38463446653 has 2 divisors, whose sum is σ = 38463446654. Its totient is φ = 38463446652.

The previous prime is 38463446629. The next prime is 38463446717. The reversal of 38463446653 is 35664436483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34101900889 + 4361545764 = 184667^2 + 66042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38463446653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38463446653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38463446603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19231723326 + 19231723327.

It is an arithmetic number, because the mean of its divisors is an integer number (19231723327).

Almost surely, 2^38463446653 is an apocalyptic number.

It is an amenable number.

38463446653 is a deficient number, since it is larger than the sum of its proper divisors (1).

38463446653 is an equidigital number, since it uses as much as digits as its factorization.

38463446653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 52.

The spelling of 38463446653 in words is "thirty-eight billion, four hundred sixty-three million, four hundred forty-six thousand, six hundred fifty-three".