855005415653 has 2 divisors, whose sum is σ = 855005415654. Its totient is φ = 855005415652.

The previous prime is 855005415631. The next prime is 855005415679. The reversal of 855005415653 is 356514500558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778430350369 + 76575065284 = 882287^2 + 276722^2 .

It is a cyclic number.

It is not a de Polignac number, because 855005415653 - 2²⁸ = 854736980197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855005415598 and 855005415607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855005415623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427502707826 + 427502707827.

It is an arithmetic number, because the mean of its divisors is an integer number (427502707827).

Almost surely, 2^855005415653 is an apocalyptic number.

It is an amenable number.

855005415653 is a deficient number, since it is larger than the sum of its proper divisors (1).

855005415653 is an equidigital number, since it uses as much as digits as its factorization.

855005415653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800000, while the sum is 47.

The spelling of 855005415653 in words is "eight hundred fifty-five billion, five million, four hundred fifteen thousand, six hundred fifty-three".