6451646144241 has 4 divisors (see below), whose sum is σ = 8602194858992. Its totient is φ = 4301097429492.

The previous prime is 6451646144227. The next prime is 6451646144269. The reversal of 6451646144241 is 1424416461546.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6451646144241 - 2⁷ = 6451646144113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6451646144341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075274357371 + ... + 1075274357376.

It is an arithmetic number, because the mean of its divisors is an integer number (2150548714748).

Almost surely, 2^{6451646144241} is an apocalyptic number.

It is an amenable number.

6451646144241 is a deficient number, since it is larger than the sum of its proper divisors (2150548714751).

6451646144241 is a wasteful number, since it uses less digits than its factorization.

6451646144241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150548714750.

The product of its digits is 2211840, while the sum is 48.

The spelling of 6451646144241 in words is "six trillion, four hundred fifty-one billion, six hundred forty-six million, one hundred forty-four thousand, two hundred forty-one".