425412774866 has 16 divisors (see below), whose sum is σ = 639001523160. Its totient is φ = 212412470400.

The previous prime is 425412774851. The next prime is 425412774887. The reversal of 425412774866 is 668477214524.

It can be written as a sum of positive squares in 4 ways, for example, as 62612550625 + 362800224241 = 250225^2 + 602329^2 .

It is a super-3 number, since 3×425412774866³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4262180 + ... + 4360848.

Almost surely, 2^425412774866 is an apocalyptic number.

425412774866 is a deficient number, since it is larger than the sum of its proper divisors (213588748294).

425412774866 is a wasteful number, since it uses less digits than its factorization.

425412774866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101629.

The product of its digits is 18063360, while the sum is 56.

The spelling of 425412774866 in words is "four hundred twenty-five billion, four hundred twelve million, seven hundred seventy-four thousand, eight hundred sixty-six".