6442310554645 has 16 divisors (see below), whose sum is σ = 9015478329600. Its totient is φ = 4417584379152.

The previous prime is 6442310554639. The next prime is 6442310554661. The reversal of 6442310554645 is 5464550132446.

It is not a de Polignac number, because 6442310554645 - 2²⁵ = 6442277000213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878222937 + ... + 1878226366.

It is an arithmetic number, because the mean of its divisors is an integer number (563467395600).

Almost surely, 2^{6442310554645} is an apocalyptic number.

It is an amenable number.

6442310554645 is a deficient number, since it is larger than the sum of its proper divisors (2573167774955).

6442310554645 is an equidigital number, since it uses as much as digits as its factorization.

6442310554645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756449329 (or 3756449315 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 6442310554645 in words is "six trillion, four hundred forty-two billion, three hundred ten million, five hundred fifty-four thousand, six hundred forty-five".