3780331257601 has 4 divisors (see below), whose sum is σ = 3780335204100. Its totient is φ = 3780327311104.

The previous prime is 3780331257541. The next prime is 3780331257611. The reversal of 3780331257601 is 1067521330873.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3371626767601 + 408704490000 = 1836199^2 + 639300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780331257601 - 2⁹ = 3780331257089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780331257611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481545 + ... + 2791513.

It is an arithmetic number, because the mean of its divisors is an integer number (945083801025).

Almost surely, 2^{3780331257601} is an apocalyptic number.

It is an amenable number.

3780331257601 is a deficient number, since it is larger than the sum of its proper divisors (3946499).

3780331257601 is a wasteful number, since it uses less digits than its factorization.

3780331257601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946498.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 3780331257601 in words is "three trillion, seven hundred eighty billion, three hundred thirty-one million, two hundred fifty-seven thousand, six hundred one".