43250934661 has 48 divisors (see below), whose sum is σ = 49155829632. Its totient is φ = 38013719040.

The previous prime is 43250934653. The next prime is 43250934667. The reversal of 43250934661 is 16643905234.

It is not a de Polignac number, because 43250934661 - 2³ = 43250934653 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43250934667) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 124642290 + ... + 124642636.

It is an arithmetic number, because the mean of its divisors is an integer number (1024079784).

Almost surely, 2^43250934661 is an apocalyptic number.

It is an amenable number.

43250934661 is a deficient number, since it is larger than the sum of its proper divisors (5904894971).

43250934661 is a wasteful number, since it uses less digits than its factorization.

43250934661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 43250934661 in words is "forty-three billion, two hundred fifty million, nine hundred thirty-four thousand, six hundred sixty-one".