825363873381 has 16 divisors (see below), whose sum is σ = 1136995864704. Its totient is φ = 532165333824.

The previous prime is 825363873371. The next prime is 825363873401. The reversal of 825363873381 is 183378363528.

It is not a de Polignac number, because 825363873381 - 2⁷ = 825363873253 is a prime.

It is a super-2 number, since 2×825363873381² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825363873371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22244070 + ... + 22281143.

It is an arithmetic number, because the mean of its divisors is an integer number (71062241544).

Almost surely, 2^825363873381 is an apocalyptic number.

It is an amenable number.

825363873381 is a deficient number, since it is larger than the sum of its proper divisors (311631991323).

825363873381 is a wasteful number, since it uses less digits than its factorization.

825363873381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44525420.

The product of its digits is 17418240, while the sum is 57.

The spelling of 825363873381 in words is "eight hundred twenty-five billion, three hundred sixty-three million, eight hundred seventy-three thousand, three hundred eighty-one".