2745726943 has 2 divisors, whose sum is σ = 2745726944. Its totient is φ = 2745726942.

The previous prime is 2745726889. The next prime is 2745726953. The reversal of 2745726943 is 3496275472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2745726943 - 2¹³ = 2745718751 is a prime.

It is a super-2 number, since 2×2745726943² = 15078032891032250498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745726953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372863471 + 1372863472.

It is an arithmetic number, because the mean of its divisors is an integer number (1372863472).

Almost surely, 2^2745726943 is an apocalyptic number.

2745726943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745726943 is an equidigital number, since it uses as much as digits as its factorization.

2745726943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The square root of 2745726943 is about 52399.6845696613. The cubic root of 2745726943 is about 1400.2936361975.

The spelling of 2745726943 in words is "two billion, seven hundred forty-five million, seven hundred twenty-six thousand, nine hundred forty-three".