6211456308247 has 2 divisors, whose sum is σ = 6211456308248. Its totient is φ = 6211456308246.

The previous prime is 6211456308221. The next prime is 6211456308271. The reversal of 6211456308247 is 7428036541126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6211456308247 - 2¹⁹ = 6211455783959 is a prime.

It is a super-2 number, since 2×6211456308247² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6211456308247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6211456308287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105728154123 + 3105728154124.

It is an arithmetic number, because the mean of its divisors is an integer number (3105728154124).

Almost surely, 2^{6211456308247} is an apocalyptic number.

6211456308247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6211456308247 is an equidigital number, since it uses as much as digits as its factorization.

6211456308247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 6211456308247 in words is "six trillion, two hundred eleven billion, four hundred fifty-six million, three hundred eight thousand, two hundred forty-seven".