825964249159 has 4 divisors (see below), whose sum is σ = 943959141904. Its totient is φ = 707969356416.

The previous prime is 825964249111. The next prime is 825964249181. The reversal of 825964249159 is 951942469528.

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

It is not a de Polignac number, because 825964249159 - 2¹⁵ = 825964216391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 825964249159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825964249189) 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, 58997446362 + ... + 58997446375.

It is an arithmetic number, because the mean of its divisors is an integer number (235989785476).

Almost surely, 2^825964249159 is an apocalyptic number.

825964249159 is a deficient number, since it is larger than the sum of its proper divisors (117994892745).

825964249159 is a wasteful number, since it uses less digits than its factorization.

825964249159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117994892744.

The product of its digits is 55987200, while the sum is 64.

The spelling of 825964249159 in words is "eight hundred twenty-five billion, nine hundred sixty-four million, two hundred forty-nine thousand, one hundred fifty-nine".