43486422997 has 2 divisors, whose sum is σ = 43486422998. Its totient is φ = 43486422996.

The previous prime is 43486422953. The next prime is 43486423027. The reversal of 43486422997 is 79922468434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42584862321 + 901560676 = 206361^2 + 30026^2 .

It is a cyclic number.

It is not a de Polignac number, because 43486422997 - 2²³ = 43478034389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43486422907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21743211498 + 21743211499.

It is an arithmetic number, because the mean of its divisors is an integer number (21743211499).

Almost surely, 2^43486422997 is an apocalyptic number.

It is an amenable number.

43486422997 is a deficient number, since it is larger than the sum of its proper divisors (1).

43486422997 is an equidigital number, since it uses as much as digits as its factorization.

43486422997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 58.

The spelling of 43486422997 in words is "forty-three billion, four hundred eighty-six million, four hundred twenty-two thousand, nine hundred ninety-seven".