1639422713 has 8 divisors (see below), whose sum is σ = 1652582400. Its totient is φ = 1626292080.

The previous prime is 1639422703. The next prime is 1639422737. The reversal of 1639422713 is 3172249361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1639422713 - 2²² = 1635228409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1639422703) 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 7 ways as a sum of consecutive naturals, for example, 114056 + ... + 127622.

It is an arithmetic number, because the mean of its divisors is an integer number (206572800).

Almost surely, 2^1639422713 is an apocalyptic number.

It is an amenable number.

1639422713 is a deficient number, since it is larger than the sum of its proper divisors (13159687).

1639422713 is a wasteful number, since it uses less digits than its factorization.

1639422713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527.

The product of its digits is 54432, while the sum is 38.

The square root of 1639422713 is about 40489.7852920956. The cubic root of 1639422713 is about 1179.1353219624.

The spelling of 1639422713 in words is "one billion, six hundred thirty-nine million, four hundred twenty-two thousand, seven hundred thirteen".