662045247041 has 4 divisors (see below), whose sum is σ = 665014060032. Its totient is φ = 659076434052.

The previous prime is 662045246987. The next prime is 662045247077. The reversal of 662045247041 is 140742540266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140742540266 = 2 ⋅70371270133.

It is a cyclic number.

It is not a de Polignac number, because 662045247041 - 2¹⁴ = 662045230657 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 662045247041.

It is not an unprimeable number, because it can be changed into a prime (662045241041) 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 3 ways as a sum of consecutive naturals, for example, 1484406161 + ... + 1484406606.

It is an arithmetic number, because the mean of its divisors is an integer number (166253515008).

Almost surely, 2^662045247041 is an apocalyptic number.

It is an amenable number.

662045247041 is a deficient number, since it is larger than the sum of its proper divisors (2968812991).

662045247041 is a wasteful number, since it uses less digits than its factorization.

662045247041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968812990.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 662045247041 in words is "six hundred sixty-two billion, forty-five million, two hundred forty-seven thousand, forty-one".