43986339145 has 16 divisors (see below), whose sum is σ = 60328212480. Its totient is φ = 30160016064.

The previous prime is 43986339049. The next prime is 43986339157. The reversal of 43986339145 is 54193368934.

It is a cyclic number.

It is not a de Polignac number, because 43986339145 - 2¹³ = 43986330953 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 630936 + ... + 697174.

It is an arithmetic number, because the mean of its divisors is an integer number (3770513280).

Almost surely, 2^43986339145 is an apocalyptic number.

It is an amenable number.

43986339145 is a deficient number, since it is larger than the sum of its proper divisors (16341873335).

43986339145 is a wasteful number, since it uses less digits than its factorization.

43986339145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85224.

The product of its digits is 8398080, while the sum is 55.

The spelling of 43986339145 in words is "forty-three billion, nine hundred eighty-six million, three hundred thirty-nine thousand, one hundred forty-five".