1244402402973 has 8 divisors (see below), whose sum is σ = 1686403256736. Its totient is φ = 816001575600.

The previous prime is 1244402402939. The next prime is 1244402402989. The reversal of 1244402402973 is 3792042044421.

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

It is not a de Polignac number, because 1244402402973 - 2⁸ = 1244402402717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244402412973) 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, 3400006383 + ... + 3400006748.

It is an arithmetic number, because the mean of its divisors is an integer number (210800407092).

Almost surely, 2^{1244402402973} is an apocalyptic number.

It is an amenable number.

1244402402973 is a deficient number, since it is larger than the sum of its proper divisors (442000853763).

1244402402973 is an equidigital number, since it uses as much as digits as its factorization.

1244402402973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800013195.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 1244402402973 in words is "one trillion, two hundred forty-four billion, four hundred two million, four hundred two thousand, nine hundred seventy-three".