3278454193442 has 4 divisors (see below), whose sum is σ = 4917681290166. Its totient is φ = 1639227096720.

The previous prime is 3278454193403. The next prime is 3278454193451. The reversal of 3278454193442 is 2443914548723.

It is a happy number.

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., 1929234882961 + 1349219310481 = 1388969^2 + 1161559^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 819613548359 + ... + 819613548362.

Almost surely, 2^{3278454193442} is an apocalyptic number.

3278454193442 is a deficient number, since it is larger than the sum of its proper divisors (1639227096724).

3278454193442 is a wasteful number, since it uses less digits than its factorization.

3278454193442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639227096723.

The product of its digits is 23224320, while the sum is 56.

The spelling of 3278454193442 in words is "three trillion, two hundred seventy-eight billion, four hundred fifty-four million, one hundred ninety-three thousand, four hundred forty-two".