144731692013 has 2 divisors, whose sum is σ = 144731692014. Its totient is φ = 144731692012.

The previous prime is 144731691959. The next prime is 144731692019. The reversal of 144731692013 is 310296137441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115380464329 + 29351227684 = 339677^2 + 171322^2 .

It is a cyclic number.

It is not a de Polignac number, because 144731692013 - 2⁸ = 144731691757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144731692019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365846006 + 72365846007.

It is an arithmetic number, because the mean of its divisors is an integer number (72365846007).

Almost surely, 2^144731692013 is an apocalyptic number.

It is an amenable number.

144731692013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731692013 is an equidigital number, since it uses as much as digits as its factorization.

144731692013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 144731692013 in words is "one hundred forty-four billion, seven hundred thirty-one million, six hundred ninety-two thousand, thirteen".