2419954798561 has 2 divisors, whose sum is σ = 2419954798562. Its totient is φ = 2419954798560.

The previous prime is 2419954798559. The next prime is 2419954798567. The reversal of 2419954798561 is 1658974599142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2167870472161 + 252084326400 = 1472369^2 + 502080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2419954798561 - 2¹ = 2419954798559 is a prime.

Together with 2419954798559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2419954798567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209977399280 + 1209977399281.

It is an arithmetic number, because the mean of its divisors is an integer number (1209977399281).

Almost surely, 2^{2419954798561} is an apocalyptic number.

It is an amenable number.

2419954798561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2419954798561 is an equidigital number, since it uses as much as digits as its factorization.

2419954798561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195955200, while the sum is 70.

The spelling of 2419954798561 in words is "two trillion, four hundred nineteen billion, nine hundred fifty-four million, seven hundred ninety-eight thousand, five hundred sixty-one".