745438333543 has 2 divisors, whose sum is σ = 745438333544. Its totient is φ = 745438333542.

The previous prime is 745438333531. The next prime is 745438333561. The reversal of 745438333543 is 345333834547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745438333543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745438333583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372719166771 + 372719166772.

It is an arithmetic number, because the mean of its divisors is an integer number (372719166772).

Almost surely, 2^745438333543 is an apocalyptic number.

745438333543 is a deficient number, since it is larger than the sum of its proper divisors (1).

745438333543 is an equidigital number, since it uses as much as digits as its factorization.

745438333543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 52.

The spelling of 745438333543 in words is "seven hundred forty-five billion, four hundred thirty-eight million, three hundred thirty-three thousand, five hundred forty-three".