102448025389 has 2 divisors, whose sum is σ = 102448025390. Its totient is φ = 102448025388.

The previous prime is 102448025377. The next prime is 102448025413. The reversal of 102448025389 is 983520844201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81319077225 + 21128948164 = 285165^2 + 145358^2 .

It is a cyclic number.

It is not a de Polignac number, because 102448025389 - 2⁵ = 102448025357 is a prime.

It is a super-2 number, since 2×102448025389² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102448055389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224012694 + 51224012695.

It is an arithmetic number, because the mean of its divisors is an integer number (51224012695).

Almost surely, 2^102448025389 is an apocalyptic number.

It is an amenable number.

102448025389 is a deficient number, since it is larger than the sum of its proper divisors (1).

102448025389 is an equidigital number, since it uses as much as digits as its factorization.

102448025389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 102448025389 in words is "one hundred two billion, four hundred forty-eight million, twenty-five thousand, three hundred eighty-nine".