43993034690 has 128 divisors (see below), whose sum is σ = 95139982080. Its totient is φ = 14463590400.

The previous prime is 43993034677. The next prime is 43993034711. The reversal of 43993034690 is 9643039934.

It is a happy number.

43993034690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43993034690² (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 63 ways as a sum of consecutive naturals, for example, 4900526 + ... + 4909494.

It is an arithmetic number, because the mean of its divisors is an integer number (743281110).

Almost surely, 2^43993034690 is an apocalyptic number.

43993034690 is an abundant number, since it is smaller than the sum of its proper divisors (51146947390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43993034690 is a wasteful number, since it uses less digits than its factorization.

43993034690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108.

The product of its (nonzero) digits is 1889568, while the sum is 50.

The spelling of 43993034690 in words is "forty-three billion, nine hundred ninety-three million, thirty-four thousand, six hundred ninety".