6905829893 has 2 divisors, whose sum is σ = 6905829894. Its totient is φ = 6905829892.

The previous prime is 6905829877. The next prime is 6905829899. The reversal of 6905829893 is 3989285096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4178588164 + 2727241729 = 64642^2 + 52223^2 .

It is a cyclic number.

It is not a de Polignac number, because 6905829893 - 2⁴ = 6905829877 is a prime.

It is a super-2 number, since 2×6905829893² = 95380973022104782898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6905829899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452914946 + 3452914947.

It is an arithmetic number, because the mean of its divisors is an integer number (3452914947).

Almost surely, 2^6905829893 is an apocalyptic number.

It is an amenable number.

6905829893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6905829893 is an equidigital number, since it uses as much as digits as its factorization.

6905829893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The square root of 6905829893 is about 83101.3230520429. The cubic root of 6905829893 is about 1904.3142860786.

The spelling of 6905829893 in words is "six billion, nine hundred five million, eight hundred twenty-nine thousand, eight hundred ninety-three".