10587375989 has 4 divisors (see below), whose sum is σ = 10873521324. Its totient is φ = 10301230656.

The previous prime is 10587375959. The next prime is 10587376133. The reversal of 10587375989 is 98957378501.

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 9055044964 + 1532331025 = 95158^2 + 39145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10587375989 is a prime.

It is a super-2 number, since 2×10587375989² (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 (10587375949) 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, 143072612 + ... + 143072685.

It is an arithmetic number, because the mean of its divisors is an integer number (2718380331).

Almost surely, 2^10587375989 is an apocalyptic number.

It is an amenable number.

10587375989 is a deficient number, since it is larger than the sum of its proper divisors (286145335).

10587375989 is an equidigital number, since it uses as much as digits as its factorization.

10587375989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286145334.

The product of its (nonzero) digits is 19051200, while the sum is 62.

The spelling of 10587375989 in words is "ten billion, five hundred eighty-seven million, three hundred seventy-five thousand, nine hundred eighty-nine".