38831461249 has 9 divisors (see below), whose sum is σ = 45172896321. Its totient is φ = 33282927300.

The previous prime is 38831461247. The next prime is 38831461259. The reversal of 38831461249 is 94216413883.

It is a happy number.

The square root of 38831461249 is 197057.

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

It is not a de Polignac number, because 38831461249 - 2¹ = 38831461247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (38831461247) 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, 1365324 + ... + 1393474.

Almost surely, 2^38831461249 is an apocalyptic number.

38831461249 is the 197057-th square number.

38831461249 is the 98529-th centered octagonal number.

It is an amenable number.

38831461249 is a deficient number, since it is larger than the sum of its proper divisors (6341435072).

38831461249 is an frugal number, since it uses more digits than its factorization.

38831461249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56316 (or 28158 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

Multiplying 38831461249 by its sum of digits (49), we get a square (1902741601201 = 1379399²).

38831461249 divided by its sum of digits (49) gives a square (792478801 = 28151²).

The spelling of 38831461249 in words is "thirty-eight billion, eight hundred thirty-one million, four hundred sixty-one thousand, two hundred forty-nine".