2544223091 has 2 divisors, whose sum is σ = 2544223092. Its totient is φ = 2544223090.

The previous prime is 2544223081. The next prime is 2544223141. The reversal of 2544223091 is 1903224452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2544223091 - 2¹⁰ = 2544222067 is a prime.

It is a super-2 number, since 2×2544223091² = 12946142273555188562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2544223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272111545 + 1272111546.

It is an arithmetic number, because the mean of its divisors is an integer number (1272111546).

Almost surely, 2^2544223091 is an apocalyptic number.

2544223091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544223091 is an equidigital number, since it uses as much as digits as its factorization.

2544223091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2544223091 is about 50440.2923365835. The cubic root of 2544223091 is about 1365.1647421107.

The spelling of 2544223091 in words is "two billion, five hundred forty-four million, two hundred twenty-three thousand, ninety-one".