1344536354431 has 4 divisors (see below), whose sum is σ = 1346522376312. Its totient is φ = 1342550332552.

The previous prime is 1344536354429. The next prime is 1344536354509.

It is a happy number.

1344536354431 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344536354431 - 2¹ = 1344536354429 is a prime.

It is a super-3 number, since 3×1344536354431³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344536354401) 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 3 ways as a sum of consecutive naturals, for example, 993009925 + ... + 993011278.

It is an arithmetic number, because the mean of its divisors is an integer number (336630594078).

Almost surely, 2^{1344536354431} is an apocalyptic number.

1344536354431 is a deficient number, since it is larger than the sum of its proper divisors (1986021881).

1344536354431 is an equidigital number, since it uses as much as digits as its factorization.

1344536354431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986021880.

The product of its digits is 3110400, while the sum is 46.

The spelling of 1344536354431 in words is "one trillion, three hundred forty-four billion, five hundred thirty-six million, three hundred fifty-four thousand, four hundred thirty-one".