481993117 has 8 divisors (see below), whose sum is σ = 500585400. Its totient is φ = 463693824.

The previous prime is 481993073. The next prime is 481993133. The reversal of 481993117 is 711399184.

It can be written as a sum of positive squares in 4 ways, for example, as 25999801 + 455993316 = 5099^2 + 21354^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 481993117 - 2¹⁹ = 481468829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481993157) 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, 69892 + ... + 76477.

It is an arithmetic number, because the mean of its divisors is an integer number (62573175).

Almost surely, 2^481993117 is an apocalyptic number.

It is an amenable number.

481993117 is a deficient number, since it is larger than the sum of its proper divisors (18592283).

481993117 is a wasteful number, since it uses less digits than its factorization.

481993117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146495.

The product of its digits is 54432, while the sum is 43.

The square root of 481993117 is about 21954.3416435110. The cubic root of 481993117 is about 784.0557524258.

The spelling of 481993117 in words is "four hundred eighty-one million, nine hundred ninety-three thousand, one hundred seventeen".