826341556049 has 4 divisors (see below), whose sum is σ = 826436404836. Its totient is φ = 826246707264.

The previous prime is 826341556031. The next prime is 826341556097. The reversal of 826341556049 is 940655143628.

It is a happy number.

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 494096526400 + 332245029649 = 702920^2 + 576407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826341556049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826341556949) 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, 47411324 + ... + 47428749.

It is an arithmetic number, because the mean of its divisors is an integer number (206609101209).

Almost surely, 2^826341556049 is an apocalyptic number.

It is an amenable number.

826341556049 is a deficient number, since it is larger than the sum of its proper divisors (94848787).

826341556049 is an equidigital number, since it uses as much as digits as its factorization.

826341556049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94848786.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 826341556049 in words is "eight hundred twenty-six billion, three hundred forty-one million, five hundred fifty-six thousand, forty-nine".