150684336778169 has 2 divisors, whose sum is σ = 150684336778170. Its totient is φ = 150684336778168.

The previous prime is 150684336778057. The next prime is 150684336778193. The reversal of 150684336778169 is 961877633486051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140817073689769 + 9867263088400 = 11866637^2 + 3141220^2 .

It is a cyclic number.

It is not a de Polignac number, because 150684336778169 - 2¹² = 150684336774073 is a prime.

It is a super-2 number, since 2×150684336778169² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150684336778096 and 150684336778105.

It is not a weakly prime, because it can be changed into another prime (150684336778369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75342168389084 + 75342168389085.

It is an arithmetic number, because the mean of its divisors is an integer number (75342168389085).

Almost surely, 2^{150684336778169} is an apocalyptic number.

It is an amenable number.

150684336778169 is a deficient number, since it is larger than the sum of its proper divisors (1).

150684336778169 is an equidigital number, since it uses as much as digits as its factorization.

150684336778169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1097349120, while the sum is 74.

The spelling of 150684336778169 in words is "one hundred fifty trillion, six hundred eighty-four billion, three hundred thirty-six million, seven hundred seventy-eight thousand, one hundred sixty-nine".