6212477893 has 2 divisors, whose sum is σ = 6212477894. Its totient is φ = 6212477892.

The previous prime is 6212477881. The next prime is 6212477897. The reversal of 6212477893 is 3987742126.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6074955364 + 137522529 = 77942^2 + 11727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6212477893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6212477897) 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, 3106238946 + 3106238947.

It is an arithmetic number, because the mean of its divisors is an integer number (3106238947).

Almost surely, 2^6212477893 is an apocalyptic number.

It is an amenable number.

6212477893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6212477893 is an equidigital number, since it uses as much as digits as its factorization.

6212477893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 6212477893 is about 78819.2736137552. The cubic root of 6212477893 is about 1838.3221445559.

The spelling of 6212477893 in words is "six billion, two hundred twelve million, four hundred seventy-seven thousand, eight hundred ninety-three".