427643251206 has 16 divisors (see below), whose sum is σ = 856392962544. Its totient is φ = 142363340384.

The previous prime is 427643251187. The next prime is 427643251219. The reversal of 427643251206 is 602152346724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46097481 + ... + 46106756.

It is an arithmetic number, because the mean of its divisors is an integer number (53524560159).

Almost surely, 2^427643251206 is an apocalyptic number.

427643251206 is an abundant number, since it is smaller than the sum of its proper divisors (428749711338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427643251206 is a wasteful number, since it uses less digits than its factorization.

427643251206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92205015.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 427643251206 in words is "four hundred twenty-seven billion, six hundred forty-three million, two hundred fifty-one thousand, two hundred six".