3551433221374 has 16 divisors (see below), whose sum is σ = 5334714928368. Its totient is φ = 1773196558912.

The previous prime is 3551433221339. The next prime is 3551433221377. The reversal of 3551433221374 is 4731223341553.

It is a super-2 number, since 2×3551433221374² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551433221374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551433221377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918549 + ... + 4738975.

It is an arithmetic number, because the mean of its divisors is an integer number (333419683023).

Almost surely, 2^{3551433221374} is an apocalyptic number.

3551433221374 is a deficient number, since it is larger than the sum of its proper divisors (1783281706994).

3551433221374 is a wasteful number, since it uses less digits than its factorization.

3551433221374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823499.

The product of its digits is 907200, while the sum is 43.

The spelling of 3551433221374 in words is "three trillion, five hundred fifty-one billion, four hundred thirty-three million, two hundred twenty-one thousand, three hundred seventy-four".