427487619722 has 4 divisors (see below), whose sum is σ = 641231429586. Its totient is φ = 213743809860.

The previous prime is 427487619719. The next prime is 427487619749. The reversal of 427487619722 is 227916784724.

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

It can be written as a sum of positive squares in only one way, i.e., 405181898521 + 22305721201 = 636539^2 + 149351^2 .

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 as a sum of consecutive naturals, namely, 106871904929 + ... + 106871904932.

Almost surely, 2^427487619722 is an apocalyptic number.

427487619722 is a deficient number, since it is larger than the sum of its proper divisors (213743809864).

427487619722 is a wasteful number, since it uses less digits than its factorization.

427487619722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213743809863.

The product of its digits is 18966528, while the sum is 59.

The spelling of 427487619722 in words is "four hundred twenty-seven billion, four hundred eighty-seven million, six hundred nineteen thousand, seven hundred twenty-two".