2104876653538 has 4 divisors (see below), whose sum is σ = 3157314980310. Its totient is φ = 1052438326768.

The previous prime is 2104876653527. The next prime is 2104876653569. The reversal of 2104876653538 is 8353566784012.

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 only one way, i.e., 2063925869769 + 40950783769 = 1436637^2 + 202363^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526219163383 + ... + 526219163386.

Almost surely, 2^{2104876653538} is an apocalyptic number.

2104876653538 is a deficient number, since it is larger than the sum of its proper divisors (1052438326772).

2104876653538 is a wasteful number, since it uses less digits than its factorization.

2104876653538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052438326771.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 2104876653538 in words is "two trillion, one hundred four billion, eight hundred seventy-six million, six hundred fifty-three thousand, five hundred thirty-eight".