543689037401 has 2 divisors, whose sum is σ = 543689037402. Its totient is φ = 543689037400.

The previous prime is 543689037383. The next prime is 543689037439. The reversal of 543689037401 is 104730986345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300517758025 + 243171279376 = 548195^2 + 493124^2 .

It is a cyclic number.

It is not a de Polignac number, because 543689037401 - 2¹⁸ = 543688775257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543689037401.

It is not a weakly prime, because it can be changed into another prime (543659037401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271844518700 + 271844518701.

It is an arithmetic number, because the mean of its divisors is an integer number (271844518701).

Almost surely, 2^543689037401 is an apocalyptic number.

It is an amenable number.

543689037401 is a deficient number, since it is larger than the sum of its proper divisors (1).

543689037401 is an equidigital number, since it uses as much as digits as its factorization.

543689037401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 543689037401 in words is "five hundred forty-three billion, six hundred eighty-nine million, thirty-seven thousand, four hundred one".