497495749 has 2 divisors, whose sum is σ = 497495750. Its totient is φ = 497495748.

The previous prime is 497495707. The next prime is 497495771. The reversal of 497495749 is 947594794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473062500 + 24433249 = 21750^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 497495749 - 2¹⁵ = 497462981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 497495693 and 497495702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497495149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248747874 + 248747875.

It is an arithmetic number, because the mean of its divisors is an integer number (248747875).

Almost surely, 2^497495749 is an apocalyptic number.

It is an amenable number.

497495749 is a deficient number, since it is larger than the sum of its proper divisors (1).

497495749 is an equidigital number, since it uses as much as digits as its factorization.

497495749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 58.

The square root of 497495749 is about 22304.6127292092. The cubic root of 497495749 is about 792.3732240228.

The spelling of 497495749 in words is "four hundred ninety-seven million, four hundred ninety-five thousand, seven hundred forty-nine".