5379672665 has 4 divisors (see below), whose sum is σ = 6455607204. Its totient is φ = 4303738128.

The previous prime is 5379672647. The next prime is 5379672719. The reversal of 5379672665 is 5662769735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4060748176 + 1318924489 = 63724^2 + 36317^2 .

It is a cyclic number.

It is not a de Polignac number, because 5379672665 - 2⁶ = 5379672601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5379672665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537967262 + ... + 537967271.

It is an arithmetic number, because the mean of its divisors is an integer number (1613901801).

Almost surely, 2^5379672665 is an apocalyptic number.

It is an amenable number.

5379672665 is a deficient number, since it is larger than the sum of its proper divisors (1075934539).

5379672665 is a wasteful number, since it uses less digits than its factorization.

5379672665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075934538.

The product of its digits is 14288400, while the sum is 56.

The square root of 5379672665 is about 73346.2518810607. The cubic root of 5379672665 is about 1752.2064864435.

The spelling of 5379672665 in words is "five billion, three hundred seventy-nine million, six hundred seventy-two thousand, six hundred sixty-five".