43090740897 has 4 divisors (see below), whose sum is σ = 57454321200. Its totient is φ = 28727160596.

The previous prime is 43090740881. The next prime is 43090740911. The reversal of 43090740897 is 79804709034.

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 a cyclic number.

It is not a de Polignac number, because 43090740897 - 2⁴ = 43090740881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43090740857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7181790147 + ... + 7181790152.

It is an arithmetic number, because the mean of its divisors is an integer number (14363580300).

Almost surely, 2^43090740897 is an apocalyptic number.

It is an amenable number.

43090740897 is a deficient number, since it is larger than the sum of its proper divisors (14363580303).

43090740897 is a wasteful number, since it uses less digits than its factorization.

43090740897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14363580302.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 43090740897 in words is "forty-three billion, ninety million, seven hundred forty thousand, eight hundred ninety-seven".