2468255621389 has 2 divisors, whose sum is σ = 2468255621390. Its totient is φ = 2468255621388.

The previous prime is 2468255621371. The next prime is 2468255621401. The reversal of 2468255621389 is 9831265528642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2270838024900 + 197417596489 = 1506930^2 + 444317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2468255621389 - 2⁹ = 2468255620877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2468255621309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234127810694 + 1234127810695.

It is an arithmetic number, because the mean of its divisors is an integer number (1234127810695).

Almost surely, 2^{2468255621389} is an apocalyptic number.

It is an amenable number.

2468255621389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2468255621389 is an equidigital number, since it uses as much as digits as its factorization.

2468255621389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49766400, while the sum is 61.

The spelling of 2468255621389 in words is "two trillion, four hundred sixty-eight billion, two hundred fifty-five million, six hundred twenty-one thousand, three hundred eighty-nine".