1044021430997 has 4 divisors (see below), whose sum is σ = 1044148433676. Its totient is φ = 1043894428320.

The previous prime is 1044021430993. The next prime is 1044021430999. The reversal of 1044021430997 is 7990341204401.

1044021430997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1027194412036 + 16827018961 = 1013506^2 + 129719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044021430997 - 2² = 1044021430993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044021430993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63489008 + ... + 63505449.

It is an arithmetic number, because the mean of its divisors is an integer number (261037108419).

Almost surely, 2^{1044021430997} is an apocalyptic number.

It is an amenable number.

1044021430997 is a deficient number, since it is larger than the sum of its proper divisors (127002679).

1044021430997 is an equidigital number, since it uses as much as digits as its factorization.

1044021430997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127002678.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 1044021430997 in words is "one trillion, forty-four billion, twenty-one million, four hundred thirty thousand, nine hundred ninety-seven".