206703545407 has 8 divisors (see below), whose sum is σ = 207962022816. Its totient is φ = 205448589312.

The previous prime is 206703545401. The next prime is 206703545413. The reversal of 206703545407 is 704545307602.

206703545407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206703545401) and next prime (206703545413).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206703545407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206703545401) 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, 762523 + ... + 997420.

It is an arithmetic number, because the mean of its divisors is an integer number (25995252852).

Almost surely, 2^206703545407 is an apocalyptic number.

206703545407 is a deficient number, since it is larger than the sum of its proper divisors (1258477409).

206703545407 is a wasteful number, since it uses less digits than its factorization.

206703545407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760657.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 206703545407 in words is "two hundred six billion, seven hundred three million, five hundred forty-five thousand, four hundred seven".