6923152805 has 4 divisors (see below), whose sum is σ = 8307783372. Its totient is φ = 5538522240.

The previous prime is 6923152801. The next prime is 6923152871. The reversal of 6923152805 is 5082513296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 975812644 + 5947340161 = 31238^2 + 77119^2 .

It is not a de Polignac number, because 6923152805 - 2² = 6923152801 is a prime.

It is a super-2 number, since 2×6923152805² = 95860089522758736050, 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 (6923152801) 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 3 ways as a sum of consecutive naturals, for example, 692315276 + ... + 692315285.

It is an arithmetic number, because the mean of its divisors is an integer number (2076945843).

Almost surely, 2^6923152805 is an apocalyptic number.

It is an amenable number.

6923152805 is a deficient number, since it is larger than the sum of its proper divisors (1384630567).

6923152805 is a wasteful number, since it uses less digits than its factorization.

6923152805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384630566.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 6923152805 is about 83205.4854261424. The cubic root of 6923152805 is about 1905.9052473664.

The spelling of 6923152805 in words is "six billion, nine hundred twenty-three million, one hundred fifty-two thousand, eight hundred five".