745431456423265 has 16 divisors (see below), whose sum is σ = 899160472885248. Its totient is φ = 593253773562816.

The previous prime is 745431456423263. The next prime is 745431456423287. The reversal of 745431456423265 is 562324654134547.

745431456423265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 745431456423265 - 2¹ = 745431456423263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745431456423263) 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, 233321434 + ... + 236494723.

It is an arithmetic number, because the mean of its divisors is an integer number (56197529555328).

Almost surely, 2^{745431456423265} is an apocalyptic number.

It is an amenable number.

745431456423265 is a deficient number, since it is larger than the sum of its proper divisors (153729016461983).

745431456423265 is a wasteful number, since it uses less digits than its factorization.

745431456423265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469817808.

The product of its digits is 290304000, while the sum is 61.

The spelling of 745431456423265 in words is "seven hundred forty-five trillion, four hundred thirty-one billion, four hundred fifty-six million, four hundred twenty-three thousand, two hundred sixty-five".