662249117139 has 4 divisors (see below), whose sum is σ = 882998822856. Its totient is φ = 441499411424.

The previous prime is 662249117107. The next prime is 662249117141. The reversal of 662249117139 is 931711942266.

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 662249117139 - 2⁵ = 662249117107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662249117091 and 662249117100.

It is not an unprimeable number, because it can be changed into a prime (662249117039) 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, 110374852854 + ... + 110374852859.

It is an arithmetic number, because the mean of its divisors is an integer number (220749705714).

Almost surely, 2^662249117139 is an apocalyptic number.

662249117139 is a deficient number, since it is larger than the sum of its proper divisors (220749705717).

662249117139 is a wasteful number, since it uses less digits than its factorization.

662249117139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220749705716.

The product of its digits is 979776, while the sum is 51.

The spelling of 662249117139 in words is "six hundred sixty-two billion, two hundred forty-nine million, one hundred seventeen thousand, one hundred thirty-nine".