498621683093 has 2 divisors, whose sum is σ = 498621683094. Its totient is φ = 498621683092.

The previous prime is 498621683081. The next prime is 498621683111. The reversal of 498621683093 is 390386126894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399533975569 + 99087707524 = 632087^2 + 314782^2 .

It is a cyclic number.

It is not a de Polignac number, because 498621683093 - 2⁸ = 498621682837 is a prime.

It is a super-2 number, since 2×498621683093² (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 (498621683033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249310841546 + 249310841547.

It is an arithmetic number, because the mean of its divisors is an integer number (249310841547).

Almost surely, 2^498621683093 is an apocalyptic number.

It is an amenable number.

498621683093 is a deficient number, since it is larger than the sum of its proper divisors (1).

498621683093 is an equidigital number, since it uses as much as digits as its factorization.

498621683093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 498621683093 in words is "four hundred ninety-eight billion, six hundred twenty-one million, six hundred eighty-three thousand, ninety-three".