6897554153 has 4 divisors (see below), whose sum is σ = 7882919040. Its totient is φ = 5912189268.

The previous prime is 6897554149. The next prime is 6897554197. The reversal of 6897554153 is 3514557986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6897554153 - 2² = 6897554149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6897554095 and 6897554104.

It is not an unprimeable number, because it can be changed into a prime (6897554453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492682433 + ... + 492682446.

It is an arithmetic number, because the mean of its divisors is an integer number (1970729760).

Almost surely, 2^6897554153 is an apocalyptic number.

It is an amenable number.

6897554153 is a deficient number, since it is larger than the sum of its proper divisors (985364887).

6897554153 is an equidigital number, since it uses as much as digits as its factorization.

6897554153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985364886.

The product of its digits is 4536000, while the sum is 53.

The square root of 6897554153 is about 83051.5150554161. The cubic root of 6897554153 is about 1903.5532909180.

The spelling of 6897554153 in words is "six billion, eight hundred ninety-seven million, five hundred fifty-four thousand, one hundred fifty-three".