738212055381 has 6 divisors (see below), whose sum is σ = 1066306302230. Its totient is φ = 492141370248.

The previous prime is 738212055341. The next prime is 738212055407. The reversal of 738212055381 is 183550212837.

738212055381 is a `hidden beast` number, since 7 + 3 + 8 + 2 + 12 + 0 + 553 + 81 = 666.

738212055381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 404629571025 + 333582484356 = 636105^2 + 577566^2 .

It is not a de Polignac number, because 738212055381 - 2¹⁷ = 738211924309 is a prime.

It is a super-2 number, since 2×738212055381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738212055341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41011780846 + ... + 41011780863.

Almost surely, 2^738212055381 is an apocalyptic number.

It is an amenable number.

738212055381 is a deficient number, since it is larger than the sum of its proper divisors (328094246849).

738212055381 is a wasteful number, since it uses less digits than its factorization.

738212055381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82023561715 (or 82023561712 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 738212055381 in words is "seven hundred thirty-eight billion, two hundred twelve million, fifty-five thousand, three hundred eighty-one".