43342804663903 has 2 divisors, whose sum is σ = 43342804663904. Its totient is φ = 43342804663902.

The previous prime is 43342804663897. The next prime is 43342804663927. The reversal of 43342804663903 is 30936640824334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43342804663903 - 2²⁵ = 43342771109471 is a prime.

It is a super-2 number, since 2×43342804663903² (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 (43342804661903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671402331951 + 21671402331952.

It is an arithmetic number, because the mean of its divisors is an integer number (21671402331952).

Almost surely, 2^{43342804663903} is an apocalyptic number.

43342804663903 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342804663903 is an equidigital number, since it uses as much as digits as its factorization.

43342804663903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 55.

The spelling of 43342804663903 in words is "forty-three trillion, three hundred forty-two billion, eight hundred four million, six hundred sixty-three thousand, nine hundred three".