2044513001421 has 24 divisors (see below), whose sum is σ = 3361728891456. Its totient is φ = 1185224927040.

The previous prime is 2044513001357. The next prime is 2044513001423. The reversal of 2044513001421 is 1241003154402.

2044513001421 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 513 + 0 + 0 + 142 + 1 = 666.

It is not a de Polignac number, because 2044513001421 - 2⁶ = 2044513001357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044513001423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448946560 + ... + 448951113.

It is an arithmetic number, because the mean of its divisors is an integer number (140072037144).

Almost surely, 2^{2044513001421} is an apocalyptic number.

It is an amenable number.

2044513001421 is a deficient number, since it is larger than the sum of its proper divisors (1317215890035).

2044513001421 is a wasteful number, since it uses less digits than its factorization.

2044513001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897897713 (or 897897710 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2044513001421 its reverse (1241003154402), we get a palindrome (3285516155823).

The spelling of 2044513001421 in words is "two trillion, forty-four billion, five hundred thirteen million, one thousand, four hundred twenty-one".