3781446051361 has 8 divisors (see below), whose sum is σ = 4125799677024. Its totient is φ = 3437190059520.

The previous prime is 3781446051293. The next prime is 3781446051403. The reversal of 3781446051361 is 1631506441873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3781446051361 - 2¹⁷ = 3781445920289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781446054361) 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, 24327456 + ... + 24482401.

It is an arithmetic number, because the mean of its divisors is an integer number (515724959628).

Almost surely, 2^{3781446051361} is an apocalyptic number.

It is an amenable number.

3781446051361 is a deficient number, since it is larger than the sum of its proper divisors (344353625663).

3781446051361 is a wasteful number, since it uses less digits than its factorization.

3781446051361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48816911.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 3781446051361 in words is "three trillion, seven hundred eighty-one billion, four hundred forty-six million, fifty-one thousand, three hundred sixty-one".