141917449649 has 4 divisors (see below), whose sum is σ = 143916287040. Its totient is φ = 139918612260.

The previous prime is 141917449643. The next prime is 141917449673. The reversal of 141917449649 is 946944719141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141917449649 - 2⁴ = 141917449633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141917449643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999418589 + ... + 999418730.

It is an arithmetic number, because the mean of its divisors is an integer number (35979071760).

Almost surely, 2^141917449649 is an apocalyptic number.

It is an amenable number.

141917449649 is a deficient number, since it is larger than the sum of its proper divisors (1998837391).

141917449649 is an equidigital number, since it uses as much as digits as its factorization.

141917449649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998837390.

The product of its digits is 7838208, while the sum is 59.

The spelling of 141917449649 in words is "one hundred forty-one billion, nine hundred seventeen million, four hundred forty-nine thousand, six hundred forty-nine".