2177692332242 has 12 divisors (see below), whose sum is σ = 3799850906430. Its totient is φ = 933296713776.

The previous prime is 2177692332241. The next prime is 2177692332259. The reversal of 2177692332242 is 2422332967712.

It can be written as a sum of positive squares in only one way, i.e., 1236635185681 + 941057146561 = 1112041^2 + 970081^2 .

It is not an unprimeable number, because it can be changed into a prime (2177692332241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11110675067 + ... + 11110675262.

Almost surely, 2^{2177692332242} is an apocalyptic number.

2177692332242 is a deficient number, since it is larger than the sum of its proper divisors (1622158574188).

2177692332242 is a wasteful number, since it uses less digits than its factorization.

2177692332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221350345 (or 22221350338 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The spelling of 2177692332242 in words is "two trillion, one hundred seventy-seven billion, six hundred ninety-two million, three hundred thirty-two thousand, two hundred forty-two".