8501434965 has 24 divisors (see below), whose sum is σ = 15049352448. Its totient is φ = 4437627360.

The previous prime is 8501434957. The next prime is 8501434969. The reversal of 8501434965 is 5694341058.

8501434965 is a `hidden beast` number, since 8 + 501 + 43 + 49 + 65 = 666.

It is not a de Polignac number, because 8501434965 - 2³ = 8501434957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8501434965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8501434969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2007681 + ... + 2011910.

It is an arithmetic number, because the mean of its divisors is an integer number (627056352).

Almost surely, 2^8501434965 is an apocalyptic number.

It is an amenable number.

8501434965 is a deficient number, since it is larger than the sum of its proper divisors (6547917483).

8501434965 is a wasteful number, since it uses less digits than its factorization.

8501434965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019649 (or 4019646 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 8501434965 is about 92203.2264348705. The cubic root of 8501434965 is about 2040.9423882655.

The spelling of 8501434965 in words is "eight billion, five hundred one million, four hundred thirty-four thousand, nine hundred sixty-five".