43091461493 has 8 divisors (see below), whose sum is σ = 43325585280. Its totient is φ = 42857890560.

The previous prime is 43091461477. The next prime is 43091461613. The reversal of 43091461493 is 39416419034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43091461493 - 2⁴ = 43091461477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43091421493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18578 + ... + 294156.

It is an arithmetic number, because the mean of its divisors is an integer number (5415698160).

Almost surely, 2^43091461493 is an apocalyptic number.

It is an amenable number.

43091461493 is a deficient number, since it is larger than the sum of its proper divisors (234123787).

43091461493 is a wasteful number, since it uses less digits than its factorization.

43091461493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276427.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 43091461493 in words is "forty-three billion, ninety-one million, four hundred sixty-one thousand, four hundred ninety-three".