544343514431 has 4 divisors (see below), whose sum is σ = 553267178664. Its totient is φ = 535419850200.

The previous prime is 544343514353. The next prime is 544343514433. The reversal of 544343514431 is 134415343445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544343514431 is a prime.

It is a super-2 number, since 2×544343514431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544343514433) 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, 4461832025 + ... + 4461832146.

It is an arithmetic number, because the mean of its divisors is an integer number (138316794666).

Almost surely, 2^544343514431 is an apocalyptic number.

544343514431 is a deficient number, since it is larger than the sum of its proper divisors (8923664233).

544343514431 is an equidigital number, since it uses as much as digits as its factorization.

544343514431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923664232.

The product of its digits is 691200, while the sum is 41.

Adding to 544343514431 its reverse (134415343445), we get a palindrome (678758857876).

The spelling of 544343514431 in words is "five hundred forty-four billion, three hundred forty-three million, five hundred fourteen thousand, four hundred thirty-one".