494327723497 has 2 divisors, whose sum is σ = 494327723498. Its totient is φ = 494327723496.

The previous prime is 494327723479. The next prime is 494327723521. The reversal of 494327723497 is 794327723494.

It is a happy number.

Together with previous prime (494327723479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482565019561 + 11762703936 = 694669^2 + 108456^2 .

It is a cyclic number.

It is not a de Polignac number, because 494327723497 - 2¹⁵ = 494327690729 is a prime.

It is not a weakly prime, because it can be changed into another prime (494327721497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247163861748 + 247163861749.

It is an arithmetic number, because the mean of its divisors is an integer number (247163861749).

Almost surely, 2^494327723497 is an apocalyptic number.

It is an amenable number.

494327723497 is a deficient number, since it is larger than the sum of its proper divisors (1).

494327723497 is an equidigital number, since it uses as much as digits as its factorization.

494327723497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64012032, while the sum is 61.

The spelling of 494327723497 in words is "four hundred ninety-four billion, three hundred twenty-seven million, seven hundred twenty-three thousand, four hundred ninety-seven".