6897047151 has 8 divisors (see below), whose sum is σ = 9199336320. Its totient is φ = 4596394712.

The previous prime is 6897047147. The next prime is 6897047153. The reversal of 6897047151 is 1517407986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6897047151 - 2² = 6897047147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6897047151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897047153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399315 + ... + 416228.

It is an arithmetic number, because the mean of its divisors is an integer number (1149917040).

Almost surely, 2^6897047151 is an apocalyptic number.

6897047151 is a deficient number, since it is larger than the sum of its proper divisors (2302289169).

6897047151 is a wasteful number, since it uses less digits than its factorization.

6897047151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818365.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 6897047151 is about 83048.4626648802. The cubic root of 6897047151 is about 1903.5066497970.

The spelling of 6897047151 in words is "six billion, eight hundred ninety-seven million, forty-seven thousand, one hundred fifty-one".