493902953 has 4 divisors (see below), whose sum is σ = 494974788. Its totient is φ = 492831120.

The previous prime is 493902949. The next prime is 493902961. The reversal of 493902953 is 359209394.

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 113379904 + 380523049 = 10648^2 + 19507^2 .

It is a cyclic number.

It is not a de Polignac number, because 493902953 - 2² = 493902949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493902923) 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, 535226 + ... + 536147.

It is an arithmetic number, because the mean of its divisors is an integer number (123743697).

Almost surely, 2^493902953 is an apocalyptic number.

It is an amenable number.

493902953 is a deficient number, since it is larger than the sum of its proper divisors (1071835).

493902953 is a wasteful number, since it uses less digits than its factorization.

493902953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071834.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 493902953 is about 22223.9274881826. The cubic root of 493902953 is about 790.4611701412.

The spelling of 493902953 in words is "four hundred ninety-three million, nine hundred two thousand, nine hundred fifty-three".