43042231149 has 16 divisors (see below), whose sum is σ = 57523986432. Its totient is φ = 28627730288.

The previous prime is 43042231147. The next prime is 43042231171. The reversal of 43042231149 is 94113224034.

It is a cyclic number.

It is not a de Polignac number, because 43042231149 - 2¹ = 43042231147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042231147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287072 + ... + 2305814.

It is an arithmetic number, because the mean of its divisors is an integer number (3595249152).

Almost surely, 2^43042231149 is an apocalyptic number.

It is an amenable number.

43042231149 is a deficient number, since it is larger than the sum of its proper divisors (14481755283).

43042231149 is a wasteful number, since it uses less digits than its factorization.

43042231149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20496.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 43042231149 in words is "forty-three billion, forty-two million, two hundred thirty-one thousand, one hundred forty-nine".