2104754689 has 2 divisors, whose sum is σ = 2104754690. Its totient is φ = 2104754688.

The previous prime is 2104754651. The next prime is 2104754693. The reversal of 2104754689 is 9864574012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1445292289 + 659462400 = 38017^2 + 25680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104754689 is a prime.

It is a super-4 number, since 4×2104754689⁴ (a number of 38 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2104754609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052377344 + 1052377345.

It is an arithmetic number, because the mean of its divisors is an integer number (1052377345).

Almost surely, 2^2104754689 is an apocalyptic number.

It is an amenable number.

2104754689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104754689 is an equidigital number, since it uses as much as digits as its factorization.

2104754689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2104754689 is about 45877.6055281877. The cubic root of 2104754689 is about 1281.5449056511.

The spelling of 2104754689 in words is "two billion, one hundred four million, seven hundred fifty-four thousand, six hundred eighty-nine".