245342250311129 has 2 divisors, whose sum is σ = 245342250311130. Its totient is φ = 245342250311128.

The previous prime is 245342250311111. The next prime is 245342250311143. The reversal of 245342250311129 is 921113052243542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163711513200400 + 81630737110729 = 12794980^2 + 9034973^2 .

It is a cyclic number.

It is not a de Polignac number, because 245342250311129 - 2⁴⁰ = 244242738683353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245342250311129.

It is not a weakly prime, because it can be changed into another prime (245342250311629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671125155564 + 122671125155565.

It is an arithmetic number, because the mean of its divisors is an integer number (122671125155565).

Almost surely, 2^{245342250311129} is an apocalyptic number.

It is an amenable number.

245342250311129 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342250311129 is an equidigital number, since it uses as much as digits as its factorization.

245342250311129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 245342250311129 in words is "two hundred forty-five trillion, three hundred forty-two billion, two hundred fifty million, three hundred eleven thousand, one hundred twenty-nine".