6189495264221 has 2 divisors, whose sum is σ = 6189495264222. Its totient is φ = 6189495264220.

The previous prime is 6189495264203. The next prime is 6189495264259. The reversal of 6189495264221 is 1224625949816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3725807155225 + 2463688108996 = 1930235^2 + 1569614^2 .

It is a cyclic number.

It is not a de Polignac number, because 6189495264221 - 2⁶ = 6189495264157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6189495464221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3094747632110 + 3094747632111.

It is an arithmetic number, because the mean of its divisors is an integer number (3094747632111).

Almost surely, 2^{6189495264221} is an apocalyptic number.

It is an amenable number.

6189495264221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6189495264221 is an equidigital number, since it uses as much as digits as its factorization.

6189495264221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 59.

The spelling of 6189495264221 in words is "six trillion, one hundred eighty-nine billion, four hundred ninety-five million, two hundred sixty-four thousand, two hundred twenty-one".