197835470452 has 12 divisors (see below), whose sum is σ = 346217835460. Its totient is φ = 98916088896.

The previous prime is 197835470447. The next prime is 197835470491. The reversal of 197835470452 is 254074538791.

It can be written as a sum of positive squares in 2 ways, for example, as 71870103396 + 125965367056 = 268086^2 + 354916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197835470393 and 197835470402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117927 + ... + 639982.

Almost surely, 2^197835470452 is an apocalyptic number.

It is an amenable number.

197835470452 is a deficient number, since it is larger than the sum of its proper divisors (148382365008).

197835470452 is a wasteful number, since it uses less digits than its factorization.

197835470452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823170 (or 823168 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 197835470452 in words is "one hundred ninety-seven billion, eight hundred thirty-five million, four hundred seventy thousand, four hundred fifty-two".