6121894927 has 2 divisors, whose sum is σ = 6121894928. Its totient is φ = 6121894926.

The previous prime is 6121894873. The next prime is 6121894957. The reversal of 6121894927 is 7294981216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6121894927 - 2⁷ = 6121894799 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121894957) 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, 3060947463 + 3060947464.

It is an arithmetic number, because the mean of its divisors is an integer number (3060947464).

Almost surely, 2^6121894927 is an apocalyptic number.

6121894927 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121894927 is an equidigital number, since it uses as much as digits as its factorization.

6121894927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 6121894927 is about 78242.5391139628. The cubic root of 6121894927 is about 1829.3436214887.

The spelling of 6121894927 in words is "six billion, one hundred twenty-one million, eight hundred ninety-four thousand, nine hundred twenty-seven".