826673580381 has 12 divisors (see below), whose sum is σ = 1211543650016. Its totient is φ = 501014290920.

The previous prime is 826673580367. The next prime is 826673580443. The reversal of 826673580381 is 183085376628.

826673580381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 826673580381 - 2⁷ = 826673580253 is a prime.

It is a super-3 number, since 3×826673580381³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826673580301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1138668481 + ... + 1138669206.

Almost surely, 2^826673580381 is an apocalyptic number.

It is an amenable number.

826673580381 is a deficient number, since it is larger than the sum of its proper divisors (384870069635).

826673580381 is a wasteful number, since it uses less digits than its factorization.

826673580381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277337712 (or 2277337701 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 826673580381 in words is "eight hundred twenty-six billion, six hundred seventy-three million, five hundred eighty thousand, three hundred eighty-one".