208070253069 has 16 divisors (see below), whose sum is σ = 333746772480. Its totient is φ = 112639535280.

The previous prime is 208070253059. The next prime is 208070253073. The reversal of 208070253069 is 960352070802.

It is not a de Polignac number, because 208070253069 - 2²¹ = 208068155917 is a prime.

It is a super-2 number, since 2×208070253069² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 208070253069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208070253059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260739267 + ... + 260740064.

It is an arithmetic number, because the mean of its divisors is an integer number (20859173280).

Almost surely, 2^208070253069 is an apocalyptic number.

It is an amenable number.

208070253069 is a deficient number, since it is larger than the sum of its proper divisors (125676519411).

208070253069 is a wasteful number, since it uses less digits than its factorization.

208070253069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521479360.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 208070253069 in words is "two hundred eight billion, seventy million, two hundred fifty-three thousand, sixty-nine".