6897945229 has 8 divisors (see below), whose sum is σ = 7888396608. Its totient is φ = 5908751520.

The previous prime is 6897945227. The next prime is 6897945251. The reversal of 6897945229 is 9225497986.

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

It is not a de Polignac number, because 6897945229 - 2¹ = 6897945227 is a prime.

It is a super-3 number, since 3×6897945229³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897945221) 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, 302632 + ... + 324625.

It is an arithmetic number, because the mean of its divisors is an integer number (986049576).

Almost surely, 2^6897945229 is an apocalyptic number.

It is an amenable number.

6897945229 is a deficient number, since it is larger than the sum of its proper divisors (990451379).

6897945229 is a wasteful number, since it uses less digits than its factorization.

6897945229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628835.

The product of its digits is 19595520, while the sum is 61.

The square root of 6897945229 is about 83053.8694402615. The cubic root of 6897945229 is about 1903.5892659859.

The spelling of 6897945229 in words is "six billion, eight hundred ninety-seven million, nine hundred forty-five thousand, two hundred twenty-nine".