43754497811 has 2 divisors, whose sum is σ = 43754497812. Its totient is φ = 43754497810.

The previous prime is 43754497783. The next prime is 43754497849. The reversal of 43754497811 is 11879445734.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43754497811 - 2¹⁰ = 43754496787 is a prime.

It is not a weakly prime, because it can be changed into another prime (43754457811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21877248905 + 21877248906.

It is an arithmetic number, because the mean of its divisors is an integer number (21877248906).

Almost surely, 2^43754497811 is an apocalyptic number.

43754497811 is a deficient number, since it is larger than the sum of its proper divisors (1).

43754497811 is an equidigital number, since it uses as much as digits as its factorization.

43754497811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The spelling of 43754497811 in words is "forty-three billion, seven hundred fifty-four million, four hundred ninety-seven thousand, eight hundred eleven".