6454983961 has 2 divisors, whose sum is σ = 6454983962. Its totient is φ = 6454983960.

The previous prime is 6454983947. The next prime is 6454983967. The reversal of 6454983961 is 1693894546.

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., 6061556736 + 393427225 = 77856^2 + 19835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6454983961 is a prime.

It is not a weakly prime, because it can be changed into another prime (6454983967) 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, 3227491980 + 3227491981.

It is an arithmetic number, because the mean of its divisors is an integer number (3227491981).

Almost surely, 2^6454983961 is an apocalyptic number.

It is an amenable number.

6454983961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454983961 is an equidigital number, since it uses as much as digits as its factorization.

6454983961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 55.

The square root of 6454983961 is about 80342.9148151845. The cubic root of 6454983961 is about 1861.9373155779.

The spelling of 6454983961 in words is "six billion, four hundred fifty-four million, nine hundred eighty-three thousand, nine hundred sixty-one".