5685298128990 has 40 divisors (see below), whose sum is σ = 15287134971240. Its totient is φ = 1516079500848.

The previous prime is 5685298128953. The next prime is 5685298129079. The reversal of 5685298128990 is 998218925865.

5685298128990 is a `hidden beast` number, since 5 + 6 + 8 + 529 + 8 + 1 + 2 + 8 + 9 + 90 = 666.

It is a super-2 number, since 2×5685298128990² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3509442480 + ... + 3509444099.

It is an arithmetic number, because the mean of its divisors is an integer number (382178374281).

Almost surely, 2^{5685298128990} is an apocalyptic number.

5685298128990 is an abundant number, since it is smaller than the sum of its proper divisors (9601836842250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5685298128990 is a wasteful number, since it uses less digits than its factorization.

5685298128990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018886598 (or 7018886589 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 72.

The spelling of 5685298128990 in words is "five trillion, six hundred eighty-five billion, two hundred ninety-eight million, one hundred twenty-eight thousand, nine hundred ninety".