206048240639 has 8 divisors (see below), whose sum is σ = 206934266400. Its totient is φ = 205162868736.

The previous prime is 206048240561. The next prime is 206048240677. The reversal of 206048240639 is 936042840602.

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 206048240639 - 2¹⁶ = 206048175103 is a prime.

It is a super-2 number, since 2×206048240639² (a number of 23 digits) contains 22 as substring.

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 206048240639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206048200639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473462 + ... + 797660.

It is an arithmetic number, because the mean of its divisors is an integer number (25866783300).

Almost surely, 2^206048240639 is an apocalyptic number.

206048240639 is a deficient number, since it is larger than the sum of its proper divisors (886025761).

206048240639 is a wasteful number, since it uses less digits than its factorization.

206048240639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326929.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 206048240639 in words is "two hundred six billion, forty-eight million, two hundred forty thousand, six hundred thirty-nine".