368436258121 has 2 divisors, whose sum is σ = 368436258122. Its totient is φ = 368436258120.

The previous prime is 368436258109. The next prime is 368436258149. The reversal of 368436258121 is 121852634863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195484242496 + 172952015625 = 442136^2 + 415875^2 .

It is a cyclic number.

It is not a de Polignac number, because 368436258121 - 2³¹ = 366288774473 is a prime.

It is not a weakly prime, because it can be changed into another prime (368436958121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184218129060 + 184218129061.

It is an arithmetic number, because the mean of its divisors is an integer number (184218129061).

Almost surely, 2^368436258121 is an apocalyptic number.

It is an amenable number.

368436258121 is a deficient number, since it is larger than the sum of its proper divisors (1).

368436258121 is an equidigital number, since it uses as much as digits as its factorization.

368436258121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 49.

The spelling of 368436258121 in words is "three hundred sixty-eight billion, four hundred thirty-six million, two hundred fifty-eight thousand, one hundred twenty-one".