1628288902 has 4 divisors (see below), whose sum is σ = 2442433356. Its totient is φ = 814144450.

The previous prime is 1628288863. The next prime is 1628288927. The reversal of 1628288902 is 2098828261.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407072224 + ... + 407072227.

It is an arithmetic number, because the mean of its divisors is an integer number (610608339).

Almost surely, 2^1628288902 is an apocalyptic number.

1628288902 is a deficient number, since it is larger than the sum of its proper divisors (814144454).

1628288902 is an equidigital number, since it uses as much as digits as its factorization.

1628288902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814144453.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1628288902 is about 40352.0619299683. The cubic root of 1628288902 is about 1176.4599692927.

The spelling of 1628288902 in words is "one billion, six hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred two".