427632625942 has 4 divisors (see below), whose sum is σ = 641448938916. Its totient is φ = 213816312970.

The previous prime is 427632625939. The next prime is 427632625963. The reversal of 427632625942 is 249526236724.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 427632625942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106908156484 + ... + 106908156487.

It is an arithmetic number, because the mean of its divisors is an integer number (160362234729).

Almost surely, 2^427632625942 is an apocalyptic number.

427632625942 is a deficient number, since it is larger than the sum of its proper divisors (213816312974).

427632625942 is a wasteful number, since it uses less digits than its factorization.

427632625942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213816312973.

The product of its digits is 8709120, while the sum is 52.

The spelling of 427632625942 in words is "four hundred twenty-seven billion, six hundred thirty-two million, six hundred twenty-five thousand, nine hundred forty-two".