10065534989 has 4 divisors (see below), whose sum is σ = 10068239424. Its totient is φ = 10062830556.

The previous prime is 10065534979. The next prime is 10065535001. The reversal of 10065534989 is 98943556001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10065534989 is a prime.

It is a super-2 number, since 2×10065534989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10065534979) 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, 1346627 + ... + 1354080.

It is an arithmetic number, because the mean of its divisors is an integer number (2517059856).

Almost surely, 2^10065534989 is an apocalyptic number.

It is an amenable number.

10065534989 is a deficient number, since it is larger than the sum of its proper divisors (2704435).

10065534989 is an equidigital number, since it uses as much as digits as its factorization.

10065534989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704434.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 10065534989 in words is "ten billion, sixty-five million, five hundred thirty-four thousand, nine hundred eighty-nine".