875145759149 has 4 divisors (see below), whose sum is σ = 875147720700. Its totient is φ = 875143797600.

The previous prime is 875145759139. The next prime is 875145759161. The reversal of 875145759149 is 941957541578.

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 357386361124 + 517759398025 = 597818^2 + 719555^2 .

It is a cyclic number.

It is not a de Polignac number, because 875145759149 - 2⁴ = 875145759133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875145759139) 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, 48527 + ... + 1323875.

It is an arithmetic number, because the mean of its divisors is an integer number (218786930175).

Almost surely, 2^875145759149 is an apocalyptic number.

It is an amenable number.

875145759149 is a deficient number, since it is larger than the sum of its proper divisors (1961551).

875145759149 is a wasteful number, since it uses less digits than its factorization.

875145759149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961550.

The product of its digits is 63504000, while the sum is 65.

The spelling of 875145759149 in words is "eight hundred seventy-five billion, one hundred forty-five million, seven hundred fifty-nine thousand, one hundred forty-nine".