1044201621345 has 16 divisors (see below), whose sum is σ = 1769000394240. Its totient is φ = 524148264704.

The previous prime is 1044201621301. The next prime is 1044201621373. The reversal of 1044201621345 is 5431261024401.

It is a happy number.

1044201621345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1044201621345 - 2¹⁰ = 1044201620321 is a prime.

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, 2047453905 + ... + 2047454414.

It is an arithmetic number, because the mean of its divisors is an integer number (110562524640).

Almost surely, 2^{1044201621345} is an apocalyptic number.

1044201621345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1044201621345 is a deficient number, since it is larger than the sum of its proper divisors (724798772895).

1044201621345 is a wasteful number, since it uses less digits than its factorization.

1044201621345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094908344.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1044201621345 its reverse (5431261024401), we get a palindrome (6475462645746).

The spelling of 1044201621345 in words is "one trillion, forty-four billion, two hundred one million, six hundred twenty-one thousand, three hundred forty-five".