43381946073 has 16 divisors (see below), whose sum is σ = 59421805056. Its totient is φ = 28132110720.

The previous prime is 43381946057. The next prime is 43381946089. The reversal of 43381946073 is 37064918334.

It is an interprime number because it is at equal distance from previous prime (43381946057) and next prime (43381946089).

It is not a de Polignac number, because 43381946073 - 2⁴ = 43381946057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43381946053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380440 + ... + 481142.

It is an arithmetic number, because the mean of its divisors is an integer number (3713862816).

Almost surely, 2^43381946073 is an apocalyptic number.

It is an amenable number.

43381946073 is a deficient number, since it is larger than the sum of its proper divisors (16039858983).

43381946073 is a wasteful number, since it uses less digits than its factorization.

43381946073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104624.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 43381946073 in words is "forty-three billion, three hundred eighty-one million, nine hundred forty-six thousand, seventy-three".