662741515427 has 4 divisors (see below), whose sum is σ = 673606130496. Its totient is φ = 651876900360.

The previous prime is 662741515417. The next prime is 662741515451. The reversal of 662741515427 is 724515147266.

It is a happy number.

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 662741515427 - 2³⁴ = 645561646243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662741515417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432307443 + ... + 5432307564.

It is an arithmetic number, because the mean of its divisors is an integer number (168401532624).

Almost surely, 2^662741515427 is an apocalyptic number.

662741515427 is a deficient number, since it is larger than the sum of its proper divisors (10864615069).

662741515427 is a wasteful number, since it uses less digits than its factorization.

662741515427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864615068.

The product of its digits is 2822400, while the sum is 50.

The spelling of 662741515427 in words is "six hundred sixty-two billion, seven hundred forty-one million, five hundred fifteen thousand, four hundred twenty-seven".