421117272626 has 8 divisors (see below), whose sum is σ = 640329003804. Its totient is φ = 207674271360.

The previous prime is 421117272617. The next prime is 421117272659. The reversal of 421117272626 is 626272711124.

It can be written as a sum of positive squares in 2 ways, for example, as 421116634225 + 638401 = 648935^2 + 799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442182295 + ... + 1442182586.

Almost surely, 2^421117272626 is an apocalyptic number.

421117272626 is a deficient number, since it is larger than the sum of its proper divisors (219211731178).

421117272626 is a wasteful number, since it uses less digits than its factorization.

421117272626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884364956.

The product of its digits is 112896, while the sum is 41.

The spelling of 421117272626 in words is "four hundred twenty-one billion, one hundred seventeen million, two hundred seventy-two thousand, six hundred twenty-six".