2745451739 has 2 divisors, whose sum is σ = 2745451740. Its totient is φ = 2745451738.

The previous prime is 2745451733. The next prime is 2745451783. The reversal of 2745451739 is 9371545472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2745451739 - 2¹² = 2745447643 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745451693 and 2745451702.

It is not a weakly prime, because it can be changed into another prime (2745451733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372725869 + 1372725870.

It is an arithmetic number, because the mean of its divisors is an integer number (1372725870).

Almost surely, 2^2745451739 is an apocalyptic number.

2745451739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745451739 is an equidigital number, since it uses as much as digits as its factorization.

2745451739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 47.

The square root of 2745451739 is about 52397.0584956828. The cubic root of 2745451739 is about 1400.2468508599.

The spelling of 2745451739 in words is "two billion, seven hundred forty-five million, four hundred fifty-one thousand, seven hundred thirty-nine".