2826539089921 has 4 divisors (see below), whose sum is σ = 2975304305200. Its totient is φ = 2677773874644.

The previous prime is 2826539089831. The next prime is 2826539089937. The reversal of 2826539089921 is 1299809356282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2826539089921 - 2²⁹ = 2826002219009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2826539089721) 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, 74382607611 + ... + 74382607648.

It is an arithmetic number, because the mean of its divisors is an integer number (743826076300).

Almost surely, 2^{2826539089921} is an apocalyptic number.

It is an amenable number.

2826539089921 is a deficient number, since it is larger than the sum of its proper divisors (148765215279).

2826539089921 is a wasteful number, since it uses less digits than its factorization.

2826539089921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148765215278.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 2826539089921 in words is "two trillion, eight hundred twenty-six billion, five hundred thirty-nine million, eighty-nine thousand, nine hundred twenty-one".