43199669145 has 16 divisors (see below), whose sum is σ = 69994402560. Its totient is φ = 22748179584.

The previous prime is 43199669129. The next prime is 43199669173. The reversal of 43199669145 is 54196699134.

It is a happy number.

43199669145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43199669145 - 2⁴ = 43199669129 is a prime.

It is a super-2 number, since 2×43199669145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18226524 + ... + 18228893.

It is an arithmetic number, because the mean of its divisors is an integer number (4374650160).

Almost surely, 2^43199669145 is an apocalyptic number.

It is an amenable number.

43199669145 is a deficient number, since it is larger than the sum of its proper divisors (26794733415).

43199669145 is a wasteful number, since it uses less digits than its factorization.

43199669145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455504.

The product of its digits is 6298560, while the sum is 57.

The spelling of 43199669145 in words is "forty-three billion, one hundred ninety-nine million, six hundred sixty-nine thousand, one hundred forty-five".