197503803396 has 81 divisors (see below), whose sum is σ = 530462364159. Its totient is φ = 61947756288.

The previous prime is 197503803373. The next prime is 197503803433. The reversal of 197503803396 is 693308305791.

The square root of 197503803396 is 444414.

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

197503803396 is a `hidden beast` number, since 19 + 7 + 503 + 8 + 0 + 33 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 148698156996 + 48805646400 = 385614^2 + 220920^2 .

It is a super-2 number, since 2×197503803396² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45328050 + ... + 45332406.

Almost surely, 2^197503803396 is an apocalyptic number.

197503803396 is the 444414-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197503803396

197503803396 is an abundant number, since it is smaller than the sum of its proper divisors (332958560763).

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

197503803396 is an equidigital number, since it uses as much as digits as its factorization.

197503803396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 197503803396 in words is "one hundred ninety-seven billion, five hundred three million, eight hundred three thousand, three hundred ninety-six".