498705009511 has 2 divisors, whose sum is σ = 498705009512. Its totient is φ = 498705009510.

The previous prime is 498705009469. The next prime is 498705009541. The reversal of 498705009511 is 115900507894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498705009511 - 2²¹ = 498702912359 is a prime.

It is a super-2 number, since 2×498705009511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498705009541) 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, 249352504755 + 249352504756.

It is an arithmetic number, because the mean of its divisors is an integer number (249352504756).

Almost surely, 2^498705009511 is an apocalyptic number.

498705009511 is a deficient number, since it is larger than the sum of its proper divisors (1).

498705009511 is an equidigital number, since it uses as much as digits as its factorization.

498705009511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 498705009511 in words is "four hundred ninety-eight billion, seven hundred five million, nine thousand, five hundred eleven".