1434401311421 has 4 divisors (see below), whose sum is σ = 1544739873852. Its totient is φ = 1324062748992.

The previous prime is 1434401311381. The next prime is 1434401311429. The reversal of 1434401311421 is 1241131044341.

It is a happy number.

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 108481303225 + 1325920008196 = 329365^2 + 1151486^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434401311421 - 2¹⁴ = 1434401295037 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 (1434401311429) 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, 55169281196 + ... + 55169281221.

It is an arithmetic number, because the mean of its divisors is an integer number (386184968463).

Almost surely, 2^{1434401311421} is an apocalyptic number.

It is an amenable number.

1434401311421 is a deficient number, since it is larger than the sum of its proper divisors (110338562431).

1434401311421 is a wasteful number, since it uses less digits than its factorization.

1434401311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110338562430.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1434401311421 its reverse (1241131044341), we get a palindrome (2675532355762).

The spelling of 1434401311421 in words is "one trillion, four hundred thirty-four billion, four hundred one million, three hundred eleven thousand, four hundred twenty-one".