245323354141381 has 2 divisors, whose sum is σ = 245323354141382. Its totient is φ = 245323354141380.

The previous prime is 245323354141379. The next prime is 245323354141409. The reversal of 245323354141381 is 183141453323542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179656090852225 + 65667263289156 = 13403585^2 + 8103534^2 .

It is a cyclic number.

It is not a de Polignac number, because 245323354141381 - 2¹ = 245323354141379 is a prime.

It is a super-2 number, since 2×245323354141381² (a number of 30 digits) contains 22 as substring.

Together with 245323354141379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245323354148381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122661677070690 + 122661677070691.

It is an arithmetic number, because the mean of its divisors is an integer number (122661677070691).

Almost surely, 2^{245323354141381} is an apocalyptic number.

It is an amenable number.

245323354141381 is a deficient number, since it is larger than the sum of its proper divisors (1).

245323354141381 is an equidigital number, since it uses as much as digits as its factorization.

245323354141381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 49.

The spelling of 245323354141381 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred fifty-four million, one hundred forty-one thousand, three hundred eighty-one".