945654313659 has 16 divisors (see below), whose sum is σ = 1375563321984. Its totient is φ = 573096268800.

The previous prime is 945654313657. The next prime is 945654313687. The reversal of 945654313659 is 956313456549.

It is not a de Polignac number, because 945654313659 - 2¹ = 945654313657 is a prime.

It is a super-3 number, since 3×945654313659³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (945654313657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18612 + ... + 1375374.

It is an arithmetic number, because the mean of its divisors is an integer number (85972707624).

Almost surely, 2^945654313659 is an apocalyptic number.

945654313659 is a deficient number, since it is larger than the sum of its proper divisors (429909008325).

945654313659 is a wasteful number, since it uses less digits than its factorization.

945654313659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377898.

The product of its digits is 52488000, while the sum is 60.

The spelling of 945654313659 in words is "nine hundred forty-five billion, six hundred fifty-four million, three hundred thirteen thousand, six hundred fifty-nine".