5379537661 has 8 divisors (see below), whose sum is σ = 5524106720. Its totient is φ = 5235853392.

The previous prime is 5379537637. The next prime is 5379537719. The reversal of 5379537661 is 1667359735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5379537661 - 2⁷ = 5379537533 is a prime.

It is a super-2 number, since 2×5379537661² = 57878850892234701842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5379537599 and 5379537608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5379537161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208866 + ... + 233203.

It is an arithmetic number, because the mean of its divisors is an integer number (690513340).

Almost surely, 2^5379537661 is an apocalyptic number.

It is an amenable number.

5379537661 is a deficient number, since it is larger than the sum of its proper divisors (144569059).

5379537661 is a wasteful number, since it uses less digits than its factorization.

5379537661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442395.

The product of its digits is 3572100, while the sum is 52.

The square root of 5379537661 is about 73345.3315555939. The cubic root of 5379537661 is about 1752.1918289926.

The spelling of 5379537661 in words is "five billion, three hundred seventy-nine million, five hundred thirty-seven thousand, six hundred sixty-one".