1434401321321 has 16 divisors (see below), whose sum is σ = 1556040362688. Its totient is φ = 1316911833600.

The previous prime is 1434401321261. The next prime is 1434401321333. The reversal of 1434401321321 is 1231231044341.

It is a cyclic number.

It is not a de Polignac number, because 1434401321321 - 2¹⁸ = 1434401059177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1434401327321) 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, 4934966 + ... + 5217536.

It is an arithmetic number, because the mean of its divisors is an integer number (97252522668).

Almost surely, 2^{1434401321321} is an apocalyptic number.

It is an amenable number.

1434401321321 is a deficient number, since it is larger than the sum of its proper divisors (121639041367).

1434401321321 is a wasteful number, since it uses less digits than its factorization.

1434401321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289912.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1434401321321 its reverse (1231231044341), we get a palindrome (2665632365662).

The spelling of 1434401321321 in words is "one trillion, four hundred thirty-four billion, four hundred one million, three hundred twenty-one thousand, three hundred twenty-one".