855063141449 has 32 divisors (see below), whose sum is σ = 944594058240. Its totient is φ = 767581516800.

The previous prime is 855063141371. The next prime is 855063141509. The reversal of 855063141449 is 944141360558.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855063141449 is a prime.

It is a super-2 number, since 2×855063141449² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855063141397 and 855063141406.

It is not an unprimeable number, because it can be changed into a prime (855063111449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157845389 + ... + 157850805.

It is an arithmetic number, because the mean of its divisors is an integer number (29518564320).

Almost surely, 2^855063141449 is an apocalyptic number.

It is an amenable number.

855063141449 is a deficient number, since it is larger than the sum of its proper divisors (89530916791).

855063141449 is a wasteful number, since it uses less digits than its factorization.

855063141449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 855063141449 in words is "eight hundred fifty-five billion, sixty-three million, one hundred forty-one thousand, four hundred forty-nine".