3521116336442 has 4 divisors (see below), whose sum is σ = 5281674504666. Its totient is φ = 1760558168220.

The previous prime is 3521116336411. The next prime is 3521116336489. The reversal of 3521116336442 is 2446336111253.

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., 2295864374521 + 1225251961921 = 1515211^2 + 1106911^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3521116336442.

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, 880279084109 + ... + 880279084112.

Almost surely, 2^{3521116336442} is an apocalyptic number.

3521116336442 is a deficient number, since it is larger than the sum of its proper divisors (1760558168224).

3521116336442 is a wasteful number, since it uses less digits than its factorization.

3521116336442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760558168223.

The product of its digits is 311040, while the sum is 41.

The spelling of 3521116336442 in words is "three trillion, five hundred twenty-one billion, one hundred sixteen million, three hundred thirty-six thousand, four hundred forty-two".