43057742745 has 8 divisors (see below), whose sum is σ = 68892388416. Its totient is φ = 22964129456.

The previous prime is 43057742743. The next prime is 43057742747. The reversal of 43057742745 is 54724775034.

It is an interprime number because it is at equal distance from previous prime (43057742743) and next prime (43057742747).

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 43057742745 - 2¹ = 43057742743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43057742694 and 43057742703.

It is not an unprimeable number, because it can be changed into a prime (43057742743) 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, 1435258077 + ... + 1435258106.

It is an arithmetic number, because the mean of its divisors is an integer number (8611548552).

Almost surely, 2^43057742745 is an apocalyptic number.

It is an amenable number.

43057742745 is a deficient number, since it is larger than the sum of its proper divisors (25834645671).

43057742745 is a wasteful number, since it uses less digits than its factorization.

43057742745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870516191.

The product of its (nonzero) digits is 3292800, while the sum is 48.

The spelling of 43057742745 in words is "forty-three billion, fifty-seven million, seven hundred forty-two thousand, seven hundred forty-five".