6453621513043 has 2 divisors, whose sum is σ = 6453621513044. Its totient is φ = 6453621513042.

The previous prime is 6453621512981. The next prime is 6453621513049. The reversal of 6453621513043 is 3403151263546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6453621513043 - 2⁹ = 6453621512531 is a prime.

It is a super-2 number, since 2×6453621513043² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6453621513049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3226810756521 + 3226810756522.

It is an arithmetic number, because the mean of its divisors is an integer number (3226810756522).

Almost surely, 2^{6453621513043} is an apocalyptic number.

6453621513043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6453621513043 is an equidigital number, since it uses as much as digits as its factorization.

6453621513043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 6453621513043 its reverse (3403151263546), we get a palindrome (9856772776589).

The spelling of 6453621513043 in words is "six trillion, four hundred fifty-three billion, six hundred twenty-one million, five hundred thirteen thousand, forty-three".