5457198565 has 16 divisors (see below), whose sum is σ = 8059863168. Its totient is φ = 3454226496.

The previous prime is 5457198557. The next prime is 5457198581. The reversal of 5457198565 is 5658917545.

It is not a de Polignac number, because 5457198565 - 2³ = 5457198557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5996467 + ... + 5997376.

It is an arithmetic number, because the mean of its divisors is an integer number (503741448).

Almost surely, 2^5457198565 is an apocalyptic number.

It is an amenable number.

5457198565 is a deficient number, since it is larger than the sum of its proper divisors (2602664603).

5457198565 is a wasteful number, since it uses less digits than its factorization.

5457198565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993868.

The product of its digits is 7560000, while the sum is 55.

The square root of 5457198565 is about 73872.8540466659. The cubic root of 5457198565 is about 1760.5833299066.

The spelling of 5457198565 in words is "five billion, four hundred fifty-seven million, one hundred ninety-eight thousand, five hundred sixty-five".