43142387297 has 4 divisors (see below), whose sum is σ = 45413039280. Its totient is φ = 40871735316.

The previous prime is 43142387269. The next prime is 43142387329. The reversal of 43142387297 is 79278324134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43142387297 - 2¹⁴ = 43142370913 is a prime.

It is a super-2 number, since 2×43142387297² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142387257) 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 in 3 ways as a sum of consecutive naturals, for example, 1135325963 + ... + 1135326000.

It is an arithmetic number, because the mean of its divisors is an integer number (11353259820).

Almost surely, 2^43142387297 is an apocalyptic number.

It is an amenable number.

43142387297 is a deficient number, since it is larger than the sum of its proper divisors (2270651983).

43142387297 is a wasteful number, since it uses less digits than its factorization.

43142387297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270651982.

The product of its digits is 2032128, while the sum is 50.

The spelling of 43142387297 in words is "forty-three billion, one hundred forty-two million, three hundred eighty-seven thousand, two hundred ninety-seven".