46642824665 has 4 divisors (see below), whose sum is σ = 55971389604. Its totient is φ = 37314259728.

The previous prime is 46642824649. The next prime is 46642824749. The reversal of 46642824665 is 56642824664.

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 15240149401 + 31402675264 = 123451^2 + 177208^2 .

It is a cyclic number.

It is not a de Polignac number, because 46642824665 - 2⁴ = 46642824649 is a prime.

It is a Duffinian number.

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, 4664282462 + ... + 4664282471.

It is an arithmetic number, because the mean of its divisors is an integer number (13992847401).

Almost surely, 2^46642824665 is an apocalyptic number.

It is an amenable number.

46642824665 is a deficient number, since it is larger than the sum of its proper divisors (9328564939).

46642824665 is an equidigital number, since it uses as much as digits as its factorization.

46642824665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328564938.

The product of its digits is 13271040, while the sum is 53.

Subtracting 46642824665 from its reverse (56642824664), we obtain a palindrome (9999999999).

The spelling of 46642824665 in words is "forty-six billion, six hundred forty-two million, eight hundred twenty-four thousand, six hundred sixty-five".