43402211497 has 2 divisors, whose sum is σ = 43402211498. Its totient is φ = 43402211496.

The previous prime is 43402211401. The next prime is 43402211527. The reversal of 43402211497 is 79411220434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40537392921 + 2864818576 = 201339^2 + 53524^2 .

It is a cyclic number.

It is not a de Polignac number, because 43402211497 - 2³⁵ = 9042473129 is a prime.

It is a super-3 number, since 3×43402211497³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (43402221497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21701105748 + 21701105749.

It is an arithmetic number, because the mean of its divisors is an integer number (21701105749).

Almost surely, 2^43402211497 is an apocalyptic number.

It is an amenable number.

43402211497 is a deficient number, since it is larger than the sum of its proper divisors (1).

43402211497 is an equidigital number, since it uses as much as digits as its factorization.

43402211497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 43402211497 in words is "forty-three billion, four hundred two million, two hundred eleven thousand, four hundred ninety-seven".