208290929046 has 8 divisors (see below), whose sum is σ = 416581858104. Its totient is φ = 69430309680.

The previous prime is 208290929029. The next prime is 208290929057. The reversal of 208290929046 is 640929092802.

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

208290929046 is an admirable number.

It is a super-2 number, since 2×208290929046² (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 208290929046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17357577415 + ... + 17357577426.

It is an arithmetic number, because the mean of its divisors is an integer number (52072732263).

Almost surely, 2^208290929046 is an apocalyptic number.

208290929046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208290929046 is a wasteful number, since it uses less digits than its factorization.

208290929046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34715154846.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 208290929046 in words is "two hundred eight billion, two hundred ninety million, nine hundred twenty-nine thousand, forty-six".