498489795061 has 2 divisors, whose sum is σ = 498489795062. Its totient is φ = 498489795060.

The previous prime is 498489795049. The next prime is 498489795077. The reversal of 498489795061 is 160597984894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463672474225 + 34817320836 = 680935^2 + 186594^2 .

It is a cyclic number.

It is not a de Polignac number, because 498489795061 - 2⁹ = 498489794549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498489792061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249244897530 + 249244897531.

It is an arithmetic number, because the mean of its divisors is an integer number (249244897531).

Almost surely, 2^498489795061 is an apocalyptic number.

It is an amenable number.

498489795061 is a deficient number, since it is larger than the sum of its proper divisors (1).

498489795061 is an equidigital number, since it uses as much as digits as its factorization.

498489795061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 498489795061 in words is "four hundred ninety-eight billion, four hundred eighty-nine million, seven hundred ninety-five thousand, sixty-one".