144731692019 has 2 divisors, whose sum is σ = 144731692020. Its totient is φ = 144731692018.

The previous prime is 144731692013. The next prime is 144731692051. The reversal of 144731692019 is 910296137441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144731692019 - 2⁸ = 144731691763 is a prime.

It is a super-2 number, since 2×144731692019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144731692013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365846009 + 72365846010.

It is an arithmetic number, because the mean of its divisors is an integer number (72365846010).

Almost surely, 2^144731692019 is an apocalyptic number.

144731692019 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731692019 is an equidigital number, since it uses as much as digits as its factorization.

144731692019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 144731692019 in words is "one hundred forty-four billion, seven hundred thirty-one million, six hundred ninety-two thousand, nineteen".