2468189491 has 2 divisors, whose sum is σ = 2468189492. Its totient is φ = 2468189490.

The previous prime is 2468189461. The next prime is 2468189519. The reversal of 2468189491 is 1949818642.

2468189491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2468189491 - 2¹³ = 2468181299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2468189441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234094745 + 1234094746.

It is an arithmetic number, because the mean of its divisors is an integer number (1234094746).

Almost surely, 2^2468189491 is an apocalyptic number.

2468189491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2468189491 is an equidigital number, since it uses as much as digits as its factorization.

2468189491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 2468189491 is about 49680.8765119940. The cubic root of 2468189491 is about 1351.4277516720.

The spelling of 2468189491 in words is "two billion, four hundred sixty-eight million, one hundred eighty-nine thousand, four hundred ninety-one".