498038629261 has 4 divisors (see below), whose sum is σ = 498209838300. Its totient is φ = 497867420224.

The previous prime is 498038629183. The next prime is 498038629343. The reversal of 498038629261 is 162926830894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315714753225 + 182323876036 = 561885^2 + 426994^2 .

It is a cyclic number.

It is not a de Polignac number, because 498038629261 - 2⁹ = 498038628749 is a prime.

It is a super-2 number, since 2×498038629261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498038629196 and 498038629205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498038624261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85600156 + ... + 85605973.

It is an arithmetic number, because the mean of its divisors is an integer number (124552459575).

Almost surely, 2^498038629261 is an apocalyptic number.

It is an amenable number.

498038629261 is a deficient number, since it is larger than the sum of its proper divisors (171209039).

498038629261 is a wasteful number, since it uses less digits than its factorization.

498038629261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171209038.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 498038629261 in words is "four hundred ninety-eight billion, thirty-eight million, six hundred twenty-nine thousand, two hundred sixty-one".