493961361 has 4 divisors (see below), whose sum is σ = 658615152. Its totient is φ = 329307572.

The previous prime is 493961357. The next prime is 493961387. The reversal of 493961361 is 163169394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493961361 - 2² = 493961357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493961261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82326891 + ... + 82326896.

It is an arithmetic number, because the mean of its divisors is an integer number (164653788).

Almost surely, 2^493961361 is an apocalyptic number.

It is an amenable number.

493961361 is a deficient number, since it is larger than the sum of its proper divisors (164653791).

493961361 is a wasteful number, since it uses less digits than its factorization.

493961361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164653790.

The product of its digits is 104976, while the sum is 42.

The square root of 493961361 is about 22225.2415284964. The cubic root of 493961361 is about 790.4923283784.

The spelling of 493961361 in words is "four hundred ninety-three million, nine hundred sixty-one thousand, three hundred sixty-one".