1834742747 has 2 divisors, whose sum is σ = 1834742748. Its totient is φ = 1834742746.

The previous prime is 1834742699. The next prime is 1834742779. The reversal of 1834742747 is 7472474381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1834742747 - 2⁸ = 1834742491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1834742947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917371373 + 917371374.

It is an arithmetic number, because the mean of its divisors is an integer number (917371374).

Almost surely, 2^1834742747 is an apocalyptic number.

1834742747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1834742747 is an equidigital number, since it uses as much as digits as its factorization.

1834742747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 47.

The square root of 1834742747 is about 42833.8971726832. The cubic root of 1834742747 is about 1224.2169638584.

The spelling of 1834742747 in words is "one billion, eight hundred thirty-four million, seven hundred forty-two thousand, seven hundred forty-seven".