498949457 has 2 divisors, whose sum is σ = 498949458. Its totient is φ = 498949456.

The previous prime is 498949391. The next prime is 498949483. The reversal of 498949457 is 754949894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366952336 + 131997121 = 19156^2 + 11489^2 .

It is a cyclic number.

It is not a de Polignac number, because 498949457 - 2¹⁰ = 498948433 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 498949396 and 498949405.

It is not a weakly prime, because it can be changed into another prime (498949657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249474728 + 249474729.

It is an arithmetic number, because the mean of its divisors is an integer number (249474729).

Almost surely, 2^498949457 is an apocalyptic number.

It is an amenable number.

498949457 is a deficient number, since it is larger than the sum of its proper divisors (1).

498949457 is an equidigital number, since it uses as much as digits as its factorization.

498949457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The square root of 498949457 is about 22337.1765673283. The cubic root of 498949457 is about 793.1442585256.

The spelling of 498949457 in words is "four hundred ninety-eight million, nine hundred forty-nine thousand, four hundred fifty-seven".