427632643102 has 36 divisors (see below), whose sum is σ = 753491912976. Its totient is φ = 181491360120.

The previous prime is 427632643091. The next prime is 427632643157. The reversal of 427632643102 is 201346236724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 834027 + ... + 1245337.

It is an arithmetic number, because the mean of its divisors is an integer number (20930330916).

Almost surely, 2^427632643102 is an apocalyptic number.

427632643102 is a deficient number, since it is larger than the sum of its proper divisors (325859269874).

427632643102 is a wasteful number, since it uses less digits than its factorization.

427632643102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411533 (or 411423 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

Adding to 427632643102 its reverse (201346236724), we get a palindrome (628978879826).

The spelling of 427632643102 in words is "four hundred twenty-seven billion, six hundred thirty-two million, six hundred forty-three thousand, one hundred two".