206078092949 has 4 divisors (see below), whose sum is σ = 206084895360. Its totient is φ = 206071290540.

The previous prime is 206078092943. The next prime is 206078092963. The reversal of 206078092949 is 949290870602.

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 206078092949 - 2⁴ = 206078092933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206078092894 and 206078092903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206078092943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355559 + ... + 3416420.

It is an arithmetic number, because the mean of its divisors is an integer number (51521223840).

Almost surely, 2^206078092949 is an apocalyptic number.

It is an amenable number.

206078092949 is a deficient number, since it is larger than the sum of its proper divisors (6802411).

206078092949 is an equidigital number, since it uses as much as digits as its factorization.

206078092949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802410.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 206078092949 in words is "two hundred six billion, seventy-eight million, ninety-two thousand, nine hundred forty-nine".