2104557673 has 2 divisors, whose sum is σ = 2104557674. Its totient is φ = 2104557672.

The previous prime is 2104557617. The next prime is 2104557683. The reversal of 2104557673 is 3767554012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2102039104 + 2518569 = 45848^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104557673 - 2¹⁷ = 2104426601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104557683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052278836 + 1052278837.

It is an arithmetic number, because the mean of its divisors is an integer number (1052278837).

Almost surely, 2^2104557673 is an apocalyptic number.

It is an amenable number.

2104557673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104557673 is an equidigital number, since it uses as much as digits as its factorization.

2104557673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2104557673 is about 45875.4582865392. The cubic root of 2104557673 is about 1281.5049179776.

The spelling of 2104557673 in words is "two billion, one hundred four million, five hundred fifty-seven thousand, six hundred seventy-three".