2378888210242 has 4 divisors (see below), whose sum is σ = 3568332315366. Its totient is φ = 1189444105120.

The previous prime is 2378888210239. The next prime is 2378888210273. The reversal of 2378888210242 is 2420128888732.

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

It can be written as a sum of positive squares in only one way, i.e., 2283420187801 + 95468022441 = 1511099^2 + 308979^2 .

It is a super-3 number, since 3×2378888210242³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594722052559 + ... + 594722052562.

Almost surely, 2^{2378888210242} is an apocalyptic number.

2378888210242 is a deficient number, since it is larger than the sum of its proper divisors (1189444105124).

2378888210242 is a wasteful number, since it uses less digits than its factorization.

2378888210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189444105123.

The product of its (nonzero) digits is 5505024, while the sum is 55.

The spelling of 2378888210242 in words is "two trillion, three hundred seventy-eight billion, eight hundred eighty-eight million, two hundred ten thousand, two hundred forty-two".