208743544073 has 16 divisors (see below), whose sum is σ = 214805062080. Its totient is φ = 202729267200.

The previous prime is 208743544043. The next prime is 208743544109. The reversal of 208743544073 is 370445347802.

It is a cyclic number.

It is not a de Polignac number, because 208743544073 - 2¹⁴ = 208743527689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208743544043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19077038 + ... + 19087976.

It is an arithmetic number, because the mean of its divisors is an integer number (13425316380).

Almost surely, 2^208743544073 is an apocalyptic number.

It is an amenable number.

208743544073 is a deficient number, since it is larger than the sum of its proper divisors (6061518007).

208743544073 is a wasteful number, since it uses less digits than its factorization.

208743544073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 208743544073 in words is "two hundred eight billion, seven hundred forty-three million, five hundred forty-four thousand, seventy-three".