6442404005049 has 8 divisors (see below), whose sum is σ = 8627382365760. Its totient is φ = 4276180823856.

The previous prime is 6442404005017. The next prime is 6442404005069. The reversal of 6442404005049 is 9405004042446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6442404005049 - 2⁵ = 6442404005017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6442404005049.

It is not an unprimeable number, because it can be changed into a prime (6442404005069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688794077 + ... + 4688795450.

It is an arithmetic number, because the mean of its divisors is an integer number (1078422795720).

Almost surely, 2^{6442404005049} is an apocalyptic number.

It is an amenable number.

6442404005049 is a deficient number, since it is larger than the sum of its proper divisors (2184978360711).

6442404005049 is a wasteful number, since it uses less digits than its factorization.

6442404005049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377589759.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 6442404005049 in words is "six trillion, four hundred forty-two billion, four hundred four million, five thousand, forty-nine".