3549890938356 has 108 divisors (see below), whose sum is σ = 10504857034308. Its totient is φ = 1007794255104.

The previous prime is 3549890938313. The next prime is 3549890938361. The reversal of 3549890938356 is 6538390989453.

3549890938356 is a `hidden beast` number, since 3 + 5 + 498 + 9 + 0 + 9 + 3 + 83 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 698912720100 + 2850978218256 = 836010^2 + 1688484^2 .

It is a congruent number.

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 in 35 ways as a sum of consecutive naturals, for example, 6132001 + ... + 6685896.

Almost surely, 2^{3549890938356} is an apocalyptic number.

3549890938356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3549890938356 is an abundant number, since it is smaller than the sum of its proper divisors (6954966095952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3549890938356 is a wasteful number, since it uses less digits than its factorization.

3549890938356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818078 (or 12818066 counting only the distinct ones).

The product of its (nonzero) digits is 755827200, while the sum is 72.

The spelling of 3549890938356 in words is "three trillion, five hundred forty-nine billion, eight hundred ninety million, nine hundred thirty-eight thousand, three hundred fifty-six".