2689355902 has 8 divisors (see below), whose sum is σ = 4271330016. Its totient is φ = 1265579232.

The previous prime is 2689355833. The next prime is 2689355951. The reversal of 2689355902 is 2095539862.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39549318 + ... + 39549385.

It is an arithmetic number, because the mean of its divisors is an integer number (533916252).

Almost surely, 2^2689355902 is an apocalyptic number.

2689355902 is a deficient number, since it is larger than the sum of its proper divisors (1581974114).

2689355902 is a wasteful number, since it uses less digits than its factorization.

2689355902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79098722.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 2689355902 is about 51859.0002024721. Note that the first 3 decimals coincide. The cubic root of 2689355902 is about 1390.6444059318.

The spelling of 2689355902 in words is "two billion, six hundred eighty-nine million, three hundred fifty-five thousand, nine hundred two".