43917872941 has 2 divisors, whose sum is σ = 43917872942. Its totient is φ = 43917872940.

The previous prime is 43917872923. The next prime is 43917872987. The reversal of 43917872941 is 14927871934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42458250916 + 1459622025 = 206054^2 + 38205^2 .

It is a cyclic number.

It is not a de Polignac number, because 43917872941 - 2¹⁷ = 43917741869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43917876941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21958936470 + 21958936471.

It is an arithmetic number, because the mean of its divisors is an integer number (21958936471).

Almost surely, 2^43917872941 is an apocalyptic number.

It is an amenable number.

43917872941 is a deficient number, since it is larger than the sum of its proper divisors (1).

43917872941 is an equidigital number, since it uses as much as digits as its factorization.

43917872941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The spelling of 43917872941 in words is "forty-three billion, nine hundred seventeen million, eight hundred seventy-two thousand, nine hundred forty-one".