196509570436 has 27 divisors (see below), whose sum is σ = 356205598021. Its totient is φ = 94854276944.

The previous prime is 196509570409. The next prime is 196509570469. The reversal of 196509570436 is 634075905691.

The square root of 196509570436 is 443294.

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

It can be written as a sum of positive squares in only one way, i.e., 103044852036 + 93464718400 = 321006^2 + 305720^2 .

It is a super-2 number, since 2×196509570436² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25707231 + ... + 25714873.

Almost surely, 2^196509570436 is an apocalyptic number.

196509570436 is the 443294-th square number.

It is an amenable number.

196509570436 is a deficient number, since it is larger than the sum of its proper divisors (159696027585).

196509570436 is an frugal number, since it uses more digits than its factorization.

196509570436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348 (or 7674 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 196509570436 in words is "one hundred ninety-six billion, five hundred nine million, five hundred seventy thousand, four hundred thirty-six".