5291211897 has 16 divisors (see below), whose sum is σ = 7882632000. Its totient is φ = 3507764832.

The previous prime is 5291211859. The next prime is 5291211931. The reversal of 5291211897 is 7981121925.

5291211897 is a `hidden beast` number, since 529 + 1 + 2 + 118 + 9 + 7 = 666.

It is not a de Polignac number, because 5291211897 - 2⁶ = 5291211833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5291211697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542572 + ... + 552237.

It is an arithmetic number, because the mean of its divisors is an integer number (492664500).

Almost surely, 2^5291211897 is an apocalyptic number.

It is an amenable number.

5291211897 is a deficient number, since it is larger than the sum of its proper divisors (2591420103).

5291211897 is a wasteful number, since it uses less digits than its factorization.

5291211897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094997 (or 1094991 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 5291211897 is about 72740.7169128817. The cubic root of 5291211897 is about 1742.5492093220.

The spelling of 5291211897 in words is "five billion, two hundred ninety-one million, two hundred eleven thousand, eight hundred ninety-seven".