493051641 has 4 divisors (see below), whose sum is σ = 657402192. Its totient is φ = 328701092.

The previous prime is 493051607. The next prime is 493051661. The reversal of 493051641 is 146150394.

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 493051641 - 2⁷ = 493051513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493051661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82175271 + ... + 82175276.

It is an arithmetic number, because the mean of its divisors is an integer number (164350548).

Almost surely, 2^493051641 is an apocalyptic number.

It is an amenable number.

493051641 is a deficient number, since it is larger than the sum of its proper divisors (164350551).

493051641 is a wasteful number, since it uses less digits than its factorization.

493051641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164350550.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 493051641 is about 22204.7661775575. The cubic root of 493051641 is about 790.0067515313.

The spelling of 493051641 in words is "four hundred ninety-three million, fifty-one thousand, six hundred forty-one".