64232545543 has 2 divisors, whose sum is σ = 64232545544. Its totient is φ = 64232545542.

The previous prime is 64232545537. The next prime is 64232545613. The reversal of 64232545543 is 34554523246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64232545543 - 2²¹ = 64230448391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64232545543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64232545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32116272771 + 32116272772.

It is an arithmetic number, because the mean of its divisors is an integer number (32116272772).

Almost surely, 2^64232545543 is an apocalyptic number.

64232545543 is a deficient number, since it is larger than the sum of its proper divisors (1).

64232545543 is an equidigital number, since it uses as much as digits as its factorization.

64232545543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 43.

The spelling of 64232545543 in words is "sixty-four billion, two hundred thirty-two million, five hundred forty-five thousand, five hundred forty-three".