385648880093693 has 2 divisors, whose sum is σ = 385648880093694. Its totient is φ = 385648880093692.

The previous prime is 385648880093597. The next prime is 385648880093833. The reversal of 385648880093693 is 396390088846583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307636936734724 + 78011943358969 = 17539582^2 + 8832437^2 .

It is a cyclic number.

It is not a de Polignac number, because 385648880093693 - 2⁴⁶ = 315280135916029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385648880093593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192824440046846 + 192824440046847.

It is an arithmetic number, because the mean of its divisors is an integer number (192824440046847).

Almost surely, 2^{385648880093693} is an apocalyptic number.

It is an amenable number.

385648880093693 is a deficient number, since it is larger than the sum of its proper divisors (1).

385648880093693 is an equidigital number, since it uses as much as digits as its factorization.

385648880093693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6449725440, while the sum is 80.

The spelling of 385648880093693 in words is "three hundred eighty-five trillion, six hundred forty-eight billion, eight hundred eighty million, ninety-three thousand, six hundred ninety-three".