425201806805 has 16 divisors (see below), whose sum is σ = 523463532480. Its totient is φ = 331459486848.

The previous prime is 425201806787. The next prime is 425201806829. The reversal of 425201806805 is 508608102524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425201806805 - 2¹⁶ = 425201741269 is a prime.

It is a super-3 number, since 3×425201806805³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987395 + ... + 7047984.

It is an arithmetic number, because the mean of its divisors is an integer number (32716470780).

Almost surely, 2^425201806805 is an apocalyptic number.

It is an amenable number.

425201806805 is a deficient number, since it is larger than the sum of its proper divisors (98261725675).

425201806805 is a wasteful number, since it uses less digits than its factorization.

425201806805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035540.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 425201806805 in words is "four hundred twenty-five billion, two hundred one million, eight hundred six thousand, eight hundred five".