4308985521465 has 16 divisors (see below), whose sum is σ = 6895055458368. Its totient is φ = 2297899403456.

The previous prime is 4308985521437. The next prime is 4308985521487. The reversal of 4308985521465 is 5641255898034.

It is a cyclic number.

It is not a de Polignac number, because 4308985521465 - 2⁸ = 4308985521209 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4308985521399 and 4308985521408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13980474 + ... + 14285363.

It is an arithmetic number, because the mean of its divisors is an integer number (430940966148).

Almost surely, 2^{4308985521465} is an apocalyptic number.

It is an amenable number.

4308985521465 is a deficient number, since it is larger than the sum of its proper divisors (2586069936903).

4308985521465 is a wasteful number, since it uses less digits than its factorization.

4308985521465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28276008.

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 4308985521465 in words is "four trillion, three hundred eight billion, nine hundred eighty-five million, five hundred twenty-one thousand, four hundred sixty-five".