17769340142 has 4 divisors (see below), whose sum is σ = 26654010216. Its totient is φ = 8884670070.

The previous prime is 17769340139. The next prime is 17769340231. The reversal of 17769340142 is 24104396771.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 17769340093 and 17769340102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4442335034 + ... + 4442335037.

It is an arithmetic number, because the mean of its divisors is an integer number (6663502554).

Almost surely, 2^17769340142 is an apocalyptic number.

17769340142 is a deficient number, since it is larger than the sum of its proper divisors (8884670074).

17769340142 is an equidigital number, since it uses as much as digits as its factorization.

17769340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884670073.

The product of its (nonzero) digits is 254016, while the sum is 44.

It can be divided in two parts, 17769 and 340142, that added together give a cube (357911 = 71³).

The spelling of 17769340142 in words is "seventeen billion, seven hundred sixty-nine million, three hundred forty thousand, one hundred forty-two".