197924460455 has 8 divisors (see below), whose sum is σ = 245699330400. Its totient is φ = 152879583136.

The previous prime is 197924460431. The next prime is 197924460463. The reversal of 197924460455 is 554064429791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197924460455 - 2¹⁰ = 197924459431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197924460455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682497995 + ... + 682498284.

It is an arithmetic number, because the mean of its divisors is an integer number (30712416300).

Almost surely, 2^197924460455 is an apocalyptic number.

197924460455 is a deficient number, since it is larger than the sum of its proper divisors (47774869945).

197924460455 is a wasteful number, since it uses less digits than its factorization.

197924460455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364996313.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 197924460455 in words is "one hundred ninety-seven billion, nine hundred twenty-four million, four hundred sixty thousand, four hundred fifty-five".