2943494528861 has 2 divisors, whose sum is σ = 2943494528862. Its totient is φ = 2943494528860.

The previous prime is 2943494528791. The next prime is 2943494528867. The reversal of 2943494528861 is 1688254943492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2911835088100 + 31659440761 = 1706410^2 + 177931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2943494528861 - 2¹⁸ = 2943494266717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2943494528867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471747264430 + 1471747264431.

It is an arithmetic number, because the mean of its divisors is an integer number (1471747264431).

Almost surely, 2^{2943494528861} is an apocalyptic number.

It is an amenable number.

2943494528861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943494528861 is an equidigital number, since it uses as much as digits as its factorization.

2943494528861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 65.

The spelling of 2943494528861 in words is "two trillion, nine hundred forty-three billion, four hundred ninety-four million, five hundred twenty-eight thousand, eight hundred sixty-one".