2208408969 has 64 divisors (see below), whose sum is σ = 3477340160. Its totient is φ = 1234517760.

The previous prime is 2208408949. The next prime is 2208409001. The reversal of 2208408969 is 9698048022.

It is not a de Polignac number, because 2208408969 - 2¹⁵ = 2208376201 is a prime.

It is a super-2 number, since 2×2208408969² = 9754140348719285922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2208408949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2916939 + ... + 2917695.

It is an arithmetic number, because the mean of its divisors is an integer number (54333440).

Almost surely, 2^2208408969 is an apocalyptic number.

It is an amenable number.

2208408969 is a deficient number, since it is larger than the sum of its proper divisors (1268931191).

2208408969 is a wasteful number, since it uses less digits than its factorization.

2208408969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2208408969 is about 46993.7120155452. The cubic root of 2208408969 is about 1302.2464057087.

The spelling of 2208408969 in words is "two billion, two hundred eight million, four hundred eight thousand, nine hundred sixty-nine".