662942544013 has 4 divisors (see below), whose sum is σ = 662959362208. Its totient is φ = 662925725820.

The previous prime is 662942544007. The next prime is 662942544023. The reversal of 662942544013 is 310445249266.

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.

It is a cyclic number.

It is not a de Polignac number, because 662942544013 - 2³⁷ = 525503590541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662942544023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8349831 + ... + 8428852.

It is an arithmetic number, because the mean of its divisors is an integer number (165739840552).

Almost surely, 2^662942544013 is an apocalyptic number.

It is an amenable number.

662942544013 is a deficient number, since it is larger than the sum of its proper divisors (16818195).

662942544013 is a wasteful number, since it uses less digits than its factorization.

662942544013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818194.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 662942544013 in words is "six hundred sixty-two billion, nine hundred forty-two million, five hundred forty-four thousand, thirteen".