738360380081 has 4 divisors (see below), whose sum is σ = 738362147700. Its totient is φ = 738358612464.

The previous prime is 738360380033. The next prime is 738360380099. The reversal of 738360380081 is 180083063837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180083063837 = 757 ⋅237890441.

It can be written as a sum of positive squares in 2 ways, for example, as 31440963856 + 706919416225 = 177316^2 + 840785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738360380081 is a prime.

It is a super-2 number, since 2×738360380081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738360350081) 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, 131735 + ... + 1222323.

It is an arithmetic number, because the mean of its divisors is an integer number (184590536925).

Almost surely, 2^738360380081 is an apocalyptic number.

It is an amenable number.

738360380081 is a deficient number, since it is larger than the sum of its proper divisors (1767619).

738360380081 is a wasteful number, since it uses less digits than its factorization.

738360380081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767618.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 738360380081 in words is "seven hundred thirty-eight billion, three hundred sixty million, three hundred eighty thousand, eighty-one".