5697381361 has 27 divisors (see below), whose sum is σ = 6819084363. Its totient is φ = 4746245280.

The previous prime is 5697381353. The next prime is 5697381373. The reversal of 5697381361 is 1631837965.

The square root of 5697381361 is 75481.

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

It can be written as a sum of positive squares in only one way, i.e., 274531761 + 5422849600 = 16569^2 + 73640^2 .

It is not a de Polignac number, because 5697381361 - 2³ = 5697381353 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 (5697381301) 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, 21662916 + ... + 21663178.

Almost surely, 2^5697381361 is an apocalyptic number.

5697381361 is the 75481-st square number.

5697381361 is the 37741-st centered octagonal number.

It is an amenable number.

5697381361 is a deficient number, since it is larger than the sum of its proper divisors (1121703002).

5697381361 is an frugal number, since it uses more digits than its factorization.

5697381361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 311 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The cubic root of 5697381361 is about 1786.0423951218.

Multiplying 5697381361 by its sum of digits (49), we get a square (279171686689 = 528367²).

5697381361 divided by its sum of digits (49) gives a square (116273089 = 10783²).

The spelling of 5697381361 in words is "five billion, six hundred ninety-seven million, three hundred eighty-one thousand, three hundred sixty-one".