39143692853 has 2 divisors, whose sum is σ = 39143692854. Its totient is φ = 39143692852.

The previous prime is 39143692849. The next prime is 39143692867. The reversal of 39143692853 is 35829634193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38999140324 + 144552529 = 197482^2 + 12023^2 .

It is an emirp because it is prime and its reverse (35829634193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39143692853 - 2² = 39143692849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39143692795 and 39143692804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39143694853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19571846426 + 19571846427.

It is an arithmetic number, because the mean of its divisors is an integer number (19571846427).

Almost surely, 2^39143692853 is an apocalyptic number.

It is an amenable number.

39143692853 is a deficient number, since it is larger than the sum of its proper divisors (1).

39143692853 is an equidigital number, since it uses as much as digits as its factorization.

39143692853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 53.

The spelling of 39143692853 in words is "thirty-nine billion, one hundred forty-three million, six hundred ninety-two thousand, eight hundred fifty-three".