43242809690 has 32 divisors (see below), whose sum is σ = 79021557504. Its totient is φ = 17034050880.

The previous prime is 43242809689. The next prime is 43242809723. The reversal of 43242809690 is 9690824234.

It is a super-2 number, since 2×43242809690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3089087 + ... + 3103053.

It is an arithmetic number, because the mean of its divisors is an integer number (2469423672).

Almost surely, 2^43242809690 is an apocalyptic number.

43242809690 is a deficient number, since it is larger than the sum of its proper divisors (35778747814).

43242809690 is a wasteful number, since it uses less digits than its factorization.

43242809690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18662.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 43242809690 in words is "forty-three billion, two hundred forty-two million, eight hundred nine thousand, six hundred ninety".