493481101 has 4 divisors (see below), whose sum is σ = 494091900. Its totient is φ = 492870304.

The previous prime is 493481071. The next prime is 493481147. The reversal of 493481101 is 101184394.

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

It can be written as a sum of positive squares in 2 ways, for example, as 257121225 + 236359876 = 16035^2 + 15374^2 .

It is a cyclic number.

It is not a de Polignac number, because 493481101 - 2²³ = 485092493 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 (493481171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304186 + ... + 305803.

It is an arithmetic number, because the mean of its divisors is an integer number (123522975).

Almost surely, 2^493481101 is an apocalyptic number.

It is an amenable number.

493481101 is a deficient number, since it is larger than the sum of its proper divisors (610799).

493481101 is an equidigital number, since it uses as much as digits as its factorization.

493481101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610798.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 493481101 is about 22214.4345190239. The cubic root of 493481101 is about 790.2360566810.

The spelling of 493481101 in words is "four hundred ninety-three million, four hundred eighty-one thousand, one hundred one".