43424103997 has 2 divisors, whose sum is σ = 43424103998. Its totient is φ = 43424103996.

The previous prime is 43424103973. The next prime is 43424104063. The reversal of 43424103997 is 79930142434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23120418916 + 20303685081 = 152054^2 + 142491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43424103997 is a prime.

It is a super-3 number, since 3×43424103997³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43424103197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712051998 + 21712051999.

It is an arithmetic number, because the mean of its divisors is an integer number (21712051999).

Almost surely, 2^43424103997 is an apocalyptic number.

It is an amenable number.

43424103997 is a deficient number, since it is larger than the sum of its proper divisors (1).

43424103997 is an equidigital number, since it uses as much as digits as its factorization.

43424103997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 43424103997 in words is "forty-three billion, four hundred twenty-four million, one hundred three thousand, nine hundred ninety-seven".