38556071449 has 9 divisors (see below), whose sum is σ = 44852539221. Its totient is φ = 33046883100.

The previous prime is 38556071447. The next prime is 38556071557. The reversal of 38556071449 is 94417065583.

The square root of 38556071449 is 196357.

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

It is not a de Polignac number, because 38556071449 - 2¹ = 38556071447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38556071396 and 38556071405.

It is not an unprimeable number, because it can be changed into a prime (38556071441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1360474 + ... + 1388524.

It is an arithmetic number, because the mean of its divisors is an integer number (4983615469).

Almost surely, 2^38556071449 is an apocalyptic number.

38556071449 is the 196357-th square number.

38556071449 is the 98179-th centered octagonal number.

It is an amenable number.

38556071449 is a deficient number, since it is larger than the sum of its proper divisors (6296467772).

38556071449 is an frugal number, since it uses more digits than its factorization.

38556071449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56116 (or 28058 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 38556071449 in words is "thirty-eight billion, five hundred fifty-six million, seventy-one thousand, four hundred forty-nine".