662409537379 has 4 divisors (see below), whose sum is σ = 662799880584. Its totient is φ = 662019194176.

The previous prime is 662409537373. The next prime is 662409537431. The reversal of 662409537379 is 973735904266.

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

It is a cyclic number.

It is not a de Polignac number, because 662409537379 - 2¹⁵ = 662409504611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662409537373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195169057 + ... + 195172450.

It is an arithmetic number, because the mean of its divisors is an integer number (165699970146).

Almost surely, 2^662409537379 is an apocalyptic number.

662409537379 is a deficient number, since it is larger than the sum of its proper divisors (390343205).

662409537379 is a wasteful number, since it uses less digits than its factorization.

662409537379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390343204.

The product of its (nonzero) digits is 51438240, while the sum is 61.

The spelling of 662409537379 in words is "six hundred sixty-two billion, four hundred nine million, five hundred thirty-seven thousand, three hundred seventy-nine".