17142311949 has 12 divisors (see below), whose sum is σ = 26588075904. Its totient is φ = 9795606744.

The previous prime is 17142311911. The next prime is 17142311987. The reversal of 17142311949 is 94911324171.

It is an interprime number because it is at equal distance from previous prime (17142311911) and next prime (17142311987).

It is not a de Polignac number, because 17142311949 - 2⁷ = 17142311821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17142311949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17142311909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58307037 + ... + 58307330.

It is an arithmetic number, because the mean of its divisors is an integer number (2215672992).

Almost surely, 2^17142311949 is an apocalyptic number.

It is an amenable number.

17142311949 is a deficient number, since it is larger than the sum of its proper divisors (9445763955).

17142311949 is a wasteful number, since it uses less digits than its factorization.

17142311949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116614384 (or 116614377 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The spelling of 17142311949 in words is "seventeen billion, one hundred forty-two million, three hundred eleven thousand, nine hundred forty-nine".