3613554401406 has 16 divisors (see below), whose sum is σ = 7227609225984. Its totient is φ = 1204434729944.

The previous prime is 3613554401339. The next prime is 3613554401419. The reversal of 3613554401406 is 6041044553163.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20757060 + ... + 20930423.

It is an arithmetic number, because the mean of its divisors is an integer number (451725576624).

Almost surely, 2^{3613554401406} is an apocalyptic number.

3613554401406 is an abundant number, since it is smaller than the sum of its proper divisors (3614054824578).

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

3613554401406 is a wasteful number, since it uses less digits than its factorization.

3613554401406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41701935.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 3613554401406 its reverse (6041044553163), we get a palindrome (9654598954569).

The spelling of 3613554401406 in words is "three trillion, six hundred thirteen billion, five hundred fifty-four million, four hundred one thousand, four hundred six".