144892649939 has 2 divisors, whose sum is σ = 144892649940. Its totient is φ = 144892649938.

The previous prime is 144892649927. The next prime is 144892649947. The reversal of 144892649939 is 939946298441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144892649939 is a prime.

It is not a weakly prime, because it can be changed into another prime (144892649999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72446324969 + 72446324970.

It is an arithmetic number, because the mean of its divisors is an integer number (72446324970).

Almost surely, 2^144892649939 is an apocalyptic number.

144892649939 is a deficient number, since it is larger than the sum of its proper divisors (1).

144892649939 is an equidigital number, since it uses as much as digits as its factorization.

144892649939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120932352, while the sum is 68.

The spelling of 144892649939 in words is "one hundred forty-four billion, eight hundred ninety-two million, six hundred forty-nine thousand, nine hundred thirty-nine".