6897639023 has 8 divisors (see below), whose sum is σ = 7582139136. Its totient is φ = 6222712600.

The previous prime is 6897639013. The next prime is 6897639029. The reversal of 6897639023 is 3209367986.

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 6897639023 - 2⁶ = 6897638959 is a prime.

It is a super-2 number, since 2×6897639023² = 95154848183224789058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897639029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391911 + ... + 2394792.

It is an arithmetic number, because the mean of its divisors is an integer number (947767392).

Almost surely, 2^6897639023 is an apocalyptic number.

6897639023 is a deficient number, since it is larger than the sum of its proper divisors (684500113).

6897639023 is a wasteful number, since it uses less digits than its factorization.

6897639023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786845.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 6897639023 is about 83052.0260017779. The cubic root of 6897639023 is about 1903.5610982219.

The spelling of 6897639023 in words is "six billion, eight hundred ninety-seven million, six hundred thirty-nine thousand, twenty-three".