4521493197 has 32 divisors (see below), whose sum is σ = 7229107200. Its totient is φ = 2776545216.

The previous prime is 4521493187. The next prime is 4521493217. The reversal of 4521493197 is 7913941254.

4521493197 is a `hidden beast` number, since 4 + 521 + 4 + 9 + 31 + 97 = 666.

It is not a de Polignac number, because 4521493197 - 2⁴ = 4521493181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521493187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154683 + ... + 181575.

It is an arithmetic number, because the mean of its divisors is an integer number (225909600).

Almost surely, 2^4521493197 is an apocalyptic number.

It is an amenable number.

4521493197 is a deficient number, since it is larger than the sum of its proper divisors (2707614003).

4521493197 is a wasteful number, since it uses less digits than its factorization.

4521493197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27394 (or 27388 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 4521493197 is about 67242.0493218343. The cubic root of 4521493197 is about 1653.5879312179.

The spelling of 4521493197 in words is "four billion, five hundred twenty-one million, four hundred ninety-three thousand, one hundred ninety-seven".