2468954561 has 2 divisors, whose sum is σ = 2468954562. Its totient is φ = 2468954560.

The previous prime is 2468954459. The next prime is 2468954617. The reversal of 2468954561 is 1654598642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914587536 + 554367025 = 43756^2 + 23545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2468954561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2468954261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234477280 + 1234477281.

It is an arithmetic number, because the mean of its divisors is an integer number (1234477281).

Almost surely, 2^2468954561 is an apocalyptic number.

It is an amenable number.

2468954561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2468954561 is an equidigital number, since it uses as much as digits as its factorization.

2468954561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 50.

The square root of 2468954561 is about 49688.5757594238. The cubic root of 2468954561 is about 1351.5673722348.

The spelling of 2468954561 in words is "two billion, four hundred sixty-eight million, nine hundred fifty-four thousand, five hundred sixty-one".