43124440997 has 8 divisors (see below), whose sum is σ = 47252093472. Its totient is φ = 39031330000.

The previous prime is 43124440987. The next prime is 43124441023. The reversal of 43124440997 is 79904442134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43124440997 - 2³⁴ = 25944571813 is a prime.

It is a super-2 number, since 2×43124440997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43124440967) 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 in 7 ways as a sum of consecutive naturals, for example, 8632754 + ... + 8637747.

It is an arithmetic number, because the mean of its divisors is an integer number (5906511684).

Almost surely, 2^43124440997 is an apocalyptic number.

It is an amenable number.

43124440997 is a deficient number, since it is larger than the sum of its proper divisors (4127652475).

43124440997 is a wasteful number, since it uses less digits than its factorization.

43124440997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270739.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 43124440997 in words is "forty-three billion, one hundred twenty-four million, four hundred forty thousand, nine hundred ninety-seven".