43742040283 has 4 divisors (see below), whose sum is σ = 43791691608. Its totient is φ = 43692388960.

The previous prime is 43742040269. The next prime is 43742040313. The reversal of 43742040283 is 38204024734.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43742040283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43742040203) 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 3 ways as a sum of consecutive naturals, for example, 24824341 + ... + 24826102.

It is an arithmetic number, because the mean of its divisors is an integer number (10947922902).

Almost surely, 2^43742040283 is an apocalyptic number.

43742040283 is a deficient number, since it is larger than the sum of its proper divisors (49651325).

43742040283 is an equidigital number, since it uses as much as digits as its factorization.

43742040283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49651324.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 43742040283 in words is "forty-three billion, seven hundred forty-two million, forty thousand, two hundred eighty-three".