245553050430889 has 2 divisors, whose sum is σ = 245553050430890. Its totient is φ = 245553050430888.

The previous prime is 245553050430841. The next prime is 245553050431121. The reversal of 245553050430889 is 988034050355542.

245553050430889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146828159549289 + 98724890881600 = 12117267^2 + 9936040^2 .

It is a cyclic number.

It is not a de Polignac number, because 245553050430889 - 2²⁷ = 245552916213161 is a prime.

It is not a weakly prime, because it can be changed into another prime (245553050490889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122776525215444 + 122776525215445.

It is an arithmetic number, because the mean of its divisors is an integer number (122776525215445).

Almost surely, 2^{245553050430889} is an apocalyptic number.

It is an amenable number.

245553050430889 is a deficient number, since it is larger than the sum of its proper divisors (1).

245553050430889 is an equidigital number, since it uses as much as digits as its factorization.

245553050430889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680000, while the sum is 61.

The spelling of 245553050430889 in words is "two hundred forty-five trillion, five hundred fifty-three billion, fifty million, four hundred thirty thousand, eight hundred eighty-nine".