38773374487929 has 27 divisors (see below), whose sum is σ = 56785697487597. Its totient is φ = 25493924918016.

The previous prime is 38773374487873. The next prime is 38773374487931. The reversal of 38773374487929 is 92978447337783.

The square root of 38773374487929 is 6226827.

It is a perfect power (a square), and thus also a powerful number.

38773374487929 is a `hidden beast` number, since 3 + 8 + 7 + 73 + 37 + 448 + 79 + 2 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69049649529 + 38704324838400 = 262773^2 + 6221280^2 .

It is not a de Polignac number, because 38773374487929 - 2⁹ = 38773374487417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38773374487949) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1363660897 + ... + 1363689329.

Almost surely, 2^{38773374487929} is an apocalyptic number.

38773374487929 is the 6226827-th square number.

38773374487929 is the 3113414-th centered octagonal number.

It is an amenable number.

38773374487929 is a deficient number, since it is larger than the sum of its proper divisors (18012322999668).

38773374487929 is an frugal number, since it uses more digits than its factorization.

38773374487929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57018 (or 28509 counting only the distinct ones).

The product of its digits is 10754021376, while the sum is 81.

The spelling of 38773374487929 in words is "thirty-eight trillion, seven hundred seventy-three billion, three hundred seventy-four million, four hundred eighty-seven thousand, nine hundred twenty-nine".