860256217453 has 16 divisors (see below), whose sum is σ = 941828000256. Its totient is φ = 782213483520.

The previous prime is 860256217409. The next prime is 860256217549. The reversal of 860256217453 is 354712652068.

It is a cyclic number.

It is not a de Polignac number, because 860256217453 - 2¹³ = 860256209261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 860256217397 and 860256217406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860256217253) 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 in 15 ways as a sum of consecutive naturals, for example, 1063851 + ... + 1688872.

It is an arithmetic number, because the mean of its divisors is an integer number (58864250016).

Almost surely, 2^860256217453 is an apocalyptic number.

It is an amenable number.

860256217453 is a deficient number, since it is larger than the sum of its proper divisors (81571782803).

860256217453 is a wasteful number, since it uses less digits than its factorization.

860256217453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753364.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 860256217453 in words is "eight hundred sixty billion, two hundred fifty-six million, two hundred seventeen thousand, four hundred fifty-three".