859476626849421 has 12 divisors (see below), whose sum is σ = 1418818558608672. Its totient is φ = 491129501056776.

The previous prime is 859476626849389. The next prime is 859476626849429. The reversal of 859476626849421 is 124948626674958.

859476626849421 is a `hidden beast` number, since 8 + 5 + 9 + 4 + 7 + 6 + 62 + 68 + 494 + 2 + 1 = 666.

It is not a de Polignac number, because 859476626849421 - 2⁵ = 859476626849389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859476626849429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6821243070171 + ... + 6821243070296.

It is an arithmetic number, because the mean of its divisors is an integer number (118234879884056).

Almost surely, 2^{859476626849421} is an apocalyptic number.

It is an amenable number.

859476626849421 is a deficient number, since it is larger than the sum of its proper divisors (559341931759251).

859476626849421 is a wasteful number, since it uses less digits than its factorization.

859476626849421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642486140480 (or 13642486140477 counting only the distinct ones).

The product of its digits is 10032906240, while the sum is 81.

The spelling of 859476626849421 in words is "eight hundred fifty-nine trillion, four hundred seventy-six billion, six hundred twenty-six million, eight hundred forty-nine thousand, four hundred twenty-one".