738681053381 has 2 divisors, whose sum is σ = 738681053382. Its totient is φ = 738681053380.

The previous prime is 738681053371. The next prime is 738681053393. The reversal of 738681053381 is 183350186837.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457320825025 + 281360228356 = 676255^2 + 530434^2 .

It is a cyclic number.

It is not a de Polignac number, because 738681053381 - 2¹⁴ = 738681036997 is a prime.

It is a super-2 number, since 2×738681053381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738681053371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369340526690 + 369340526691.

It is an arithmetic number, because the mean of its divisors is an integer number (369340526691).

Almost surely, 2^738681053381 is an apocalyptic number.

It is an amenable number.

738681053381 is a deficient number, since it is larger than the sum of its proper divisors (1).

738681053381 is an equidigital number, since it uses as much as digits as its factorization.

738681053381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 738681053381 in words is "seven hundred thirty-eight billion, six hundred eighty-one million, fifty-three thousand, three hundred eighty-one".