245120043101189 has 2 divisors, whose sum is σ = 245120043101190. Its totient is φ = 245120043101188.

The previous prime is 245120043101183. The next prime is 245120043101281. The reversal of 245120043101189 is 981101340021542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233330207522500 + 11789835578689 = 15275150^2 + 3433633^2 .

It is a cyclic number.

It is not a de Polignac number, because 245120043101189 - 2⁴ = 245120043101173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245120043101183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122560021550594 + 122560021550595.

It is an arithmetic number, because the mean of its divisors is an integer number (122560021550595).

Almost surely, 2^{245120043101189} is an apocalyptic number.

It is an amenable number.

245120043101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

245120043101189 is an equidigital number, since it uses as much as digits as its factorization.

245120043101189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 245120043101189 in words is "two hundred forty-five trillion, one hundred twenty billion, forty-three million, one hundred one thousand, one hundred eighty-nine".