2826737007561 has 8 divisors (see below), whose sum is σ = 4187758529760. Its totient is φ = 1884491338356.

The previous prime is 2826737007557. The next prime is 2826737007569. The reversal of 2826737007561 is 1657007376282.

It is a happy number.

2826737007561 is a `hidden beast` number, since 2 + 8 + 2 + 6 + 7 + 3 + 70 + 0 + 7 + 561 = 666.

It is not a de Polignac number, because 2826737007561 - 2² = 2826737007557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2826737007498 and 2826737007507.

It is not an unprimeable number, because it can be changed into a prime (2826737007569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52346981595 + ... + 52346981648.

It is an arithmetic number, because the mean of its divisors is an integer number (523469816220).

Almost surely, 2^{2826737007561} is an apocalyptic number.

It is an amenable number.

2826737007561 is a deficient number, since it is larger than the sum of its proper divisors (1361021522199).

2826737007561 is a wasteful number, since it uses less digits than its factorization.

2826737007561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104693963252 (or 104693963246 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 2826737007561 in words is "two trillion, eight hundred twenty-six billion, seven hundred thirty-seven million, seven thousand, five hundred sixty-one".