63853599535879 has 2 divisors, whose sum is σ = 63853599535880. Its totient is φ = 63853599535878.

The previous prime is 63853599535829. The next prime is 63853599535883. The reversal of 63853599535879 is 97853599535836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63853599535879 - 2³⁹ = 63303843721991 is a prime.

It is a super-3 number, since 3×63853599535879³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63853599535796 and 63853599535805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63853599535829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31926799767939 + 31926799767940.

It is an arithmetic number, because the mean of its divisors is an integer number (31926799767940).

Almost surely, 2^{63853599535879} is an apocalyptic number.

63853599535879 is a deficient number, since it is larger than the sum of its proper divisors (1).

63853599535879 is an equidigital number, since it uses as much as digits as its factorization.

63853599535879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33067440000, while the sum is 85.

The spelling of 63853599535879 in words is "sixty-three trillion, eight hundred fifty-three billion, five hundred ninety-nine million, five hundred thirty-five thousand, eight hundred seventy-nine".