6140263089721 has 2 divisors, whose sum is σ = 6140263089722. Its totient is φ = 6140263089720.

The previous prime is 6140263089679. The next prime is 6140263089767. The reversal of 6140263089721 is 1279803620416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4174098249721 + 1966164840000 = 2043061^2 + 1402200^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140263089721 - 2³⁹ = 5590507275833 is a prime.

It is not a weakly prime, because it can be changed into another prime (6140263089791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070131544860 + 3070131544861.

It is an arithmetic number, because the mean of its divisors is an integer number (3070131544861).

Almost surely, 2^{6140263089721} is an apocalyptic number.

It is an amenable number.

6140263089721 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140263089721 is an equidigital number, since it uses as much as digits as its factorization.

6140263089721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 6140263089721 in words is "six trillion, one hundred forty billion, two hundred sixty-three million, eighty-nine thousand, seven hundred twenty-one".