43099907973 has 8 divisors (see below), whose sum is σ = 57470040000. Its totient is φ = 28731523968.

The previous prime is 43099907969. The next prime is 43099907987. The reversal of 43099907973 is 37970999034.

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

It is not a de Polignac number, because 43099907973 - 2² = 43099907969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43099907573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378348 + ... + 478901.

It is an arithmetic number, because the mean of its divisors is an integer number (7183755000).

Almost surely, 2^43099907973 is an apocalyptic number.

It is an amenable number.

43099907973 is a deficient number, since it is larger than the sum of its proper divisors (14370132027).

43099907973 is a wasteful number, since it uses less digits than its factorization.

43099907973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874011.

The product of its (nonzero) digits is 11573604, while the sum is 60.

The spelling of 43099907973 in words is "forty-three billion, ninety-nine million, nine hundred seven thousand, nine hundred seventy-three".