43354727457 has 16 divisors (see below), whose sum is σ = 60186981120. Its totient is φ = 27735926400.

The previous prime is 43354727443. The next prime is 43354727543. The reversal of 43354727457 is 75472745334.

It is not a de Polignac number, because 43354727457 - 2⁸ = 43354727201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43354727407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881657 + ... + 2896662.

It is an arithmetic number, because the mean of its divisors is an integer number (3761686320).

Almost surely, 2^43354727457 is an apocalyptic number.

It is an amenable number.

43354727457 is a deficient number, since it is larger than the sum of its proper divisors (16832253663).

43354727457 is a wasteful number, since it uses less digits than its factorization.

43354727457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778424.

The product of its digits is 9878400, while the sum is 51.

The spelling of 43354727457 in words is "forty-three billion, three hundred fifty-four million, seven hundred twenty-seven thousand, four hundred fifty-seven".