43907052069 has 24 divisors (see below), whose sum is σ = 64993149312. Its totient is φ = 28546447680.

The previous prime is 43907052031. The next prime is 43907052109. The reversal of 43907052069 is 96025070934.

It is a happy number.

43907052069 is a `hidden beast` number, since 439 + 0 + 7 + 0 + 5 + 206 + 9 = 666.

It is not a de Polignac number, because 43907052069 - 2⁹ = 43907051557 is a prime.

It is a super-2 number, since 2×43907052069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43907052569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999522 + ... + 1042524.

It is an arithmetic number, because the mean of its divisors is an integer number (2708047888).

Almost surely, 2^43907052069 is an apocalyptic number.

It is an amenable number.

43907052069 is a deficient number, since it is larger than the sum of its proper divisors (21086097243).

43907052069 is a wasteful number, since it uses less digits than its factorization.

43907052069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45817 (or 45814 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 43907052069 in words is "forty-three billion, nine hundred seven million, fifty-two thousand, sixty-nine".