43144555544093 has 2 divisors, whose sum is σ = 43144555544094. Its totient is φ = 43144555544092.

The previous prime is 43144555544071. The next prime is 43144555544143. The reversal of 43144555544093 is 39044555544134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39841369248004 + 3303186296089 = 6312002^2 + 1817467^2 .

It is a cyclic number.

It is not a de Polignac number, because 43144555544093 - 2²² = 43144551349789 is a prime.

It is a super-2 number, since 2×43144555544093² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43144555544023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572277772046 + 21572277772047.

It is an arithmetic number, because the mean of its divisors is an integer number (21572277772047).

Almost surely, 2^{43144555544093} is an apocalyptic number.

It is an amenable number.

43144555544093 is a deficient number, since it is larger than the sum of its proper divisors (1).

43144555544093 is an equidigital number, since it uses as much as digits as its factorization.

43144555544093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 43144555544093 in words is "forty-three trillion, one hundred forty-four billion, five hundred fifty-five million, five hundred forty-four thousand, ninety-three".