2099629408 has 24 divisors (see below), whose sum is σ = 4176266472. Its totient is φ = 1038990336.

The previous prime is 2099629403. The next prime is 2099629423. The reversal of 2099629408 is 8049269902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099629403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335110 + ... + 341317.

It is an arithmetic number, because the mean of its divisors is an integer number (174011103).

Almost surely, 2^2099629408 is an apocalyptic number.

It is an amenable number.

2099629408 is a deficient number, since it is larger than the sum of its proper divisors (2076637064).

2099629408 is an equidigital number, since it uses as much as digits as its factorization.

2099629408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676534 (or 676526 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 2099629408 is about 45821.7132809327. The cubic root of 2099629408 is about 1280.5038316045.

The spelling of 2099629408 in words is "two billion, ninety-nine million, six hundred twenty-nine thousand, four hundred eight".