245401323112219 has 2 divisors, whose sum is σ = 245401323112220. Its totient is φ = 245401323112218.

The previous prime is 245401323112201. The next prime is 245401323112271. The reversal of 245401323112219 is 912211323104542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245401323112219 - 2¹⁷ = 245401322981147 is a prime.

It is a super-2 number, since 2×245401323112219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245401323110219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122700661556109 + 122700661556110.

It is an arithmetic number, because the mean of its divisors is an integer number (122700661556110).

Almost surely, 2^{245401323112219} is an apocalyptic number.

245401323112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

245401323112219 is an equidigital number, since it uses as much as digits as its factorization.

245401323112219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 245401323112219 in words is "two hundred forty-five trillion, four hundred one billion, three hundred twenty-three million, one hundred twelve thousand, two hundred nineteen".