1628939482 has 4 divisors (see below), whose sum is σ = 2443409226. Its totient is φ = 814469740.

The previous prime is 1628939479. The next prime is 1628939497. The reversal of 1628939482 is 2849398261.

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

It can be written as a sum of positive squares in only one way, i.e., 1628848881 + 90601 = 40359^2 + 301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407234869 + ... + 407234872.

Almost surely, 2^1628939482 is an apocalyptic number.

1628939482 is a deficient number, since it is larger than the sum of its proper divisors (814469744).

1628939482 is an equidigital number, since it uses as much as digits as its factorization.

1628939482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814469743.

The product of its digits is 1492992, while the sum is 52.

The square root of 1628939482 is about 40360.1224230056. The cubic root of 1628939482 is about 1176.6166326082.

The spelling of 1628939482 in words is "one billion, six hundred twenty-eight million, nine hundred thirty-nine thousand, four hundred eighty-two".