2643554093 has 2 divisors, whose sum is σ = 2643554094. Its totient is φ = 2643554092.

The previous prime is 2643554083. The next prime is 2643554143. The reversal of 2643554093 is 3904553462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2565726409 + 77827684 = 50653^2 + 8822^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643554093 - 2⁶ = 2643554029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2643554093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643554033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321777046 + 1321777047.

It is an arithmetic number, because the mean of its divisors is an integer number (1321777047).

Almost surely, 2^2643554093 is an apocalyptic number.

It is an amenable number.

2643554093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643554093 is an equidigital number, since it uses as much as digits as its factorization.

2643554093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 2643554093 is about 51415.5044028550. The cubic root of 2643554093 is about 1382.7045771552.

The spelling of 2643554093 in words is "two billion, six hundred forty-three million, five hundred fifty-four thousand, ninety-three".