43628457312265 has 8 divisors (see below), whose sum is σ = 59833312885440. Its totient is φ = 29916656442672.

The previous prime is 43628457312241. The next prime is 43628457312269. The reversal of 43628457312265 is 56221375482634.

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 43628457312265 - 2²¹ = 43628455215113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43628457312269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623263675855 + ... + 623263675924.

It is an arithmetic number, because the mean of its divisors is an integer number (7479164110680).

Almost surely, 2^{43628457312265} is an apocalyptic number.

It is an amenable number.

43628457312265 is a deficient number, since it is larger than the sum of its proper divisors (16204855573175).

43628457312265 is a wasteful number, since it uses less digits than its factorization.

43628457312265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246527351791.

The product of its digits is 58060800, while the sum is 58.

The spelling of 43628457312265 in words is "forty-three trillion, six hundred twenty-eight billion, four hundred fifty-seven million, three hundred twelve thousand, two hundred sixty-five".