2104742747 has 2 divisors, whose sum is σ = 2104742748. Its totient is φ = 2104742746.

The previous prime is 2104742741. The next prime is 2104742791. The reversal of 2104742747 is 7472474012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104742747 - 2⁶ = 2104742683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104742747.

It is not a weakly prime, because it can be changed into another prime (2104742741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052371373 + 1052371374.

It is an arithmetic number, because the mean of its divisors is an integer number (1052371374).

Almost surely, 2^2104742747 is an apocalyptic number.

2104742747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104742747 is an equidigital number, since it uses as much as digits as its factorization.

2104742747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 38.

The square root of 2104742747 is about 45877.4753773570. The cubic root of 2104742747 is about 1281.5424818946.

The spelling of 2104742747 in words is "two billion, one hundred four million, seven hundred forty-two thousand, seven hundred forty-seven".