6897162545 has 64 divisors (see below), whose sum is σ = 10859520000. Its totient is φ = 4083146496.

The previous prime is 6897162521. The next prime is 6897162577. The reversal of 6897162545 is 5452617986.

It is not a de Polignac number, because 6897162545 - 2¹⁰ = 6897161521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677906 + ... + 688004.

It is an arithmetic number, because the mean of its divisors is an integer number (169680000).

Almost surely, 2^6897162545 is an apocalyptic number.

6897162545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6897162545 is a deficient number, since it is larger than the sum of its proper divisors (3962357455).

6897162545 is a wasteful number, since it uses less digits than its factorization.

6897162545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222.

The product of its digits is 3628800, while the sum is 53.

The square root of 6897162545 is about 83049.1574009032. The cubic root of 6897162545 is about 1903.5172655487.

The spelling of 6897162545 in words is "six billion, eight hundred ninety-seven million, one hundred sixty-two thousand, five hundred forty-five".