8749938965 has 4 divisors (see below), whose sum is σ = 10499926764. Its totient is φ = 6999951168.

The previous prime is 8749938961. The next prime is 8749938983. The reversal of 8749938965 is 5698399478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6845576644 + 1904362321 = 82738^2 + 43639^2 .

It is a cyclic number.

It is not a de Polignac number, because 8749938965 - 2² = 8749938961 is a prime.

It is a super-2 number, since 2×8749938965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8749938895 and 8749938904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749938961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874993892 + ... + 874993901.

It is an arithmetic number, because the mean of its divisors is an integer number (2624981691).

Almost surely, 2^8749938965 is an apocalyptic number.

It is an amenable number.

8749938965 is a deficient number, since it is larger than the sum of its proper divisors (1749987799).

8749938965 is a wasteful number, since it uses less digits than its factorization.

8749938965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749987798.

The product of its digits is 117573120, while the sum is 68.

The square root of 8749938965 is about 93541.1084229816. The cubic root of 8749938965 is about 2060.6378586046.

The spelling of 8749938965 in words is "eight billion, seven hundred forty-nine million, nine hundred thirty-eight thousand, nine hundred sixty-five".