6920239069 has 4 divisors (see below), whose sum is σ = 6921808096. Its totient is φ = 6918670044.

The previous prime is 6920238973. The next prime is 6920239091. The reversal of 6920239069 is 9609320296.

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 6920239069 - 2⁹ = 6920238557 is a prime.

It is a super-2 number, since 2×6920239069² = 95779417544227973522, which contains 22 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 (6920239769) 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, 777879 + ... + 786724.

It is an arithmetic number, because the mean of its divisors is an integer number (1730452024).

Almost surely, 2^6920239069 is an apocalyptic number.

It is an amenable number.

6920239069 is a deficient number, since it is larger than the sum of its proper divisors (1569027).

6920239069 is a wasteful number, since it uses less digits than its factorization.

6920239069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569026.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 6920239069 is about 83187.9743051843. The cubic root of 6920239069 is about 1905.6378314389.

The spelling of 6920239069 in words is "six billion, nine hundred twenty million, two hundred thirty-nine thousand, sixty-nine".