3554561640338 has 8 divisors (see below), whose sum is σ = 5332104284220. Its totient is φ = 1777193545600.

The previous prime is 3554561640323. The next prime is 3554561640341. The reversal of 3554561640338 is 8330461654553.

3554561640338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3490518733849 + 64042906489 = 1868293^2 + 253067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3554561640338.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43586363 + ... + 43667838.

Almost surely, 2^{3554561640338} is an apocalyptic number.

3554561640338 is a deficient number, since it is larger than the sum of its proper divisors (1777542643882).

3554561640338 is a wasteful number, since it uses less digits than its factorization.

3554561640338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87274572.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 3554561640338 in words is "three trillion, five hundred fifty-four billion, five hundred sixty-one million, six hundred forty thousand, three hundred thirty-eight".