675851698404 has 81 divisors (see below), whose sum is σ = 1720166084091. Its totient is φ = 223743280320.

The previous prime is 675851698387. The next prime is 675851698409. The reversal of 675851698404 is 404896158576.

The square root of 675851698404 is 822102.

It is a perfect power (a square), and thus also a powerful number.

675851698404 is a `hidden beast` number, since 6 + 7 + 585 + 1 + 6 + 9 + 8 + 40 + 4 = 666.

675851698404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 191502512100 + 484349186304 = 437610^2 + 695952^2 .

It is a super-2 number, since 2×675851698404² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (675851698409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 892802394 + ... + 892803150.

Almost surely, 2^675851698404 is an apocalyptic number.

675851698404 is the 822102-nd square number.

It is an amenable number.

675851698404 is an abundant number, since it is smaller than the sum of its proper divisors (1044314385687).

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

675851698404 is an equidigital number, since it uses as much as digits as its factorization.

675851698404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 675851698404 in words is "six hundred seventy-five billion, eight hundred fifty-one million, six hundred ninety-eight thousand, four hundred four".