421117272633 has 8 divisors (see below), whose sum is σ = 576665094208. Its totient is φ = 273157149744.

The previous prime is 421117272617. The next prime is 421117272659. The reversal of 421117272633 is 336272711124.

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

It is not a de Polignac number, because 421117272633 - 2⁴ = 421117272617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421117272591 and 421117272600.

It is not an unprimeable number, because it can be changed into a prime (421117272683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896924541 + ... + 1896924762.

It is an arithmetic number, because the mean of its divisors is an integer number (72083136776).

Almost surely, 2^421117272633 is an apocalyptic number.

It is an amenable number.

421117272633 is a deficient number, since it is larger than the sum of its proper divisors (155547821575).

421117272633 is a wasteful number, since it uses less digits than its factorization.

421117272633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793849343.

The product of its digits is 84672, while the sum is 39.

Adding to 421117272633 its reverse (336272711124), we get a palindrome (757389983757).

The spelling of 421117272633 in words is "four hundred twenty-one billion, one hundred seventeen million, two hundred seventy-two thousand, six hundred thirty-three".