498009951 has 20 divisors (see below), whose sum is σ = 787704192. Its totient is φ = 312475968.

The previous prime is 498009949. The next prime is 498009983. The reversal of 498009951 is 159900894.

It is not a de Polignac number, because 498009951 - 2¹ = 498009949 is a prime.

It is a super-2 number, since 2×498009951² = 496027822590044802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 498009897 and 498009906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498009151) 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 in 19 ways as a sum of consecutive naturals, for example, 179455 + ... + 182208.

Almost surely, 2^498009951 is an apocalyptic number.

498009951 is a deficient number, since it is larger than the sum of its proper divisors (289694241).

498009951 is a wasteful number, since it uses less digits than its factorization.

498009951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361692 (or 361683 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 498009951 is about 22316.1365607939. The cubic root of 498009951 is about 792.6461239112.

The spelling of 498009951 in words is "four hundred ninety-eight million, nine thousand, nine hundred fifty-one".