244334223511421 has 16 divisors (see below), whose sum is σ = 249835949683200. Its totient is φ = 238845252524928.

The previous prime is 244334223511409. The next prime is 244334223511457. The reversal of 244334223511421 is 124115322433442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244334223511421 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 (244334220511421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179846360 + ... + 181199838.

It is an arithmetic number, because the mean of its divisors is an integer number (15614746855200).

Almost surely, 2^{244334223511421} is an apocalyptic number.

It is an amenable number.

244334223511421 is a deficient number, since it is larger than the sum of its proper divisors (5501726171779).

244334223511421 is a wasteful number, since it uses less digits than its factorization.

244334223511421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358188.

The product of its digits is 552960, while the sum is 41.

Adding to 244334223511421 its reverse (124115322433442), we get a palindrome (368449545944863).

The spelling of 244334223511421 in words is "two hundred forty-four trillion, three hundred thirty-four billion, two hundred twenty-three million, five hundred eleven thousand, four hundred twenty-one".