1636675423093 has 2 divisors, whose sum is σ = 1636675423094. Its totient is φ = 1636675423092.

The previous prime is 1636675423081. The next prime is 1636675423099. The reversal of 1636675423093 is 3903245766361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284591026404 + 352084396689 = 1133398^2 + 593367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1636675423093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1636675423099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818337711546 + 818337711547.

It is an arithmetic number, because the mean of its divisors is an integer number (818337711547).

Almost surely, 2^{1636675423093} is an apocalyptic number.

It is an amenable number.

1636675423093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1636675423093 is an equidigital number, since it uses as much as digits as its factorization.

1636675423093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 55.

The spelling of 1636675423093 in words is "one trillion, six hundred thirty-six billion, six hundred seventy-five million, four hundred twenty-three thousand, ninety-three".