2104876653557 has 8 divisors (see below), whose sum is σ = 2110885352376. Its totient is φ = 2098876473792.

The previous prime is 2104876653527. The next prime is 2104876653569. The reversal of 2104876653557 is 7553566784012.

It can be written as a sum of positive squares in 4 ways, for example, as 141988790596 + 1962887862961 = 376814^2 + 1401031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104876653557 - 2¹⁴ = 2104876637173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104876653496 and 2104876653505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104876653527) 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, 1634738 + ... + 2623379.

It is an arithmetic number, because the mean of its divisors is an integer number (263860669047).

Almost surely, 2^{2104876653557} is an apocalyptic number.

It is an amenable number.

2104876653557 is a deficient number, since it is larger than the sum of its proper divisors (6008698819).

2104876653557 is an equidigital number, since it uses as much as digits as its factorization.

2104876653557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259527.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 2104876653557 in words is "two trillion, one hundred four billion, eight hundred seventy-six million, six hundred fifty-three thousand, five hundred fifty-seven".