3738701272321 has 4 divisors (see below), whose sum is σ = 3839747252692. Its totient is φ = 3637655291952.

The previous prime is 3738701272297. The next prime is 3738701272337. The reversal of 3738701272321 is 1232721078373.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2719992577600 + 1018708694721 = 1649240^2 + 1009311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3738701272321 - 2⁷ = 3738701272193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3738701272721) 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, 50522990130 + ... + 50522990203.

It is an arithmetic number, because the mean of its divisors is an integer number (959936813173).

Almost surely, 2^{3738701272321} is an apocalyptic number.

It is an amenable number.

3738701272321 is a deficient number, since it is larger than the sum of its proper divisors (101045980371).

3738701272321 is a wasteful number, since it uses less digits than its factorization.

3738701272321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101045980370.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 3738701272321 in words is "three trillion, seven hundred thirty-eight billion, seven hundred one million, two hundred seventy-two thousand, three hundred twenty-one".