494593651 has 2 divisors, whose sum is σ = 494593652. Its totient is φ = 494593650.

The previous prime is 494593609. The next prime is 494593681. The reversal of 494593651 is 156395494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494593651 - 2²⁷ = 360375923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494593601) 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 as a sum of consecutive naturals, namely, 247296825 + 247296826.

It is an arithmetic number, because the mean of its divisors is an integer number (247296826).

Almost surely, 2^494593651 is an apocalyptic number.

494593651 is a deficient number, since it is larger than the sum of its proper divisors (1).

494593651 is an equidigital number, since it uses as much as digits as its factorization.

494593651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The square root of 494593651 is about 22239.4615717198. The cubic root of 494593651 is about 790.8294716734.

It can be divided in two parts, 4945 and 93651, that added together give a square (98596 = 314²).

The spelling of 494593651 in words is "four hundred ninety-four million, five hundred ninety-three thousand, six hundred fifty-one".