197400864964 has 12 divisors (see below), whose sum is σ = 345541901824. Its totient is φ = 98674607304.

The previous prime is 197400864961. The next prime is 197400864977. The reversal of 197400864964 is 469468004791.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 197400864899 and 197400864908.

It is not an unprimeable number, because it can be changed into a prime (197400864961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439092 + ... + 6469675.

Almost surely, 2^197400864964 is an apocalyptic number.

It is an amenable number.

197400864964 is a deficient number, since it is larger than the sum of its proper divisors (148141036860).

197400864964 is a wasteful number, since it uses less digits than its factorization.

197400864964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912594 (or 12912592 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 197400864964 in words is "one hundred ninety-seven billion, four hundred million, eight hundred sixty-four thousand, nine hundred sixty-four".