197281953052 has 12 divisors (see below), whose sum is σ = 345246995520. Its totient is φ = 98639954336.

The previous prime is 197281953031. The next prime is 197281953067. The reversal of 197281953052 is 250359182791.

It is a super-2 number, since 2×197281953052² (a number of 23 digits) contains 22 as substring.

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, 325488 + ... + 707464.

It is an arithmetic number, because the mean of its divisors is an integer number (28770582960).

Almost surely, 2^197281953052 is an apocalyptic number.

It is an amenable number.

197281953052 is a deficient number, since it is larger than the sum of its proper divisors (147965042468).

197281953052 is a wasteful number, since it uses less digits than its factorization.

197281953052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511100 (or 511098 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 197281953052 in words is "one hundred ninety-seven billion, two hundred eighty-one million, nine hundred fifty-three thousand, fifty-two".