424587923906 has 4 divisors (see below), whose sum is σ = 636881885862. Its totient is φ = 212293961952.

The previous prime is 424587923899. The next prime is 424587923911. The reversal of 424587923906 is 609329785424.

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., 410772037225 + 13815886681 = 640915^2 + 117541^2 .

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, 106146980975 + ... + 106146980978.

Almost surely, 2^424587923906 is an apocalyptic number.

424587923906 is a deficient number, since it is larger than the sum of its proper divisors (212293961956).

424587923906 is a wasteful number, since it uses less digits than its factorization.

424587923906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212293961955.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 424587923906 in words is "four hundred twenty-four billion, five hundred eighty-seven million, nine hundred twenty-three thousand, nine hundred six".