1963633650 has 48 divisors (see below), whose sum is σ = 5312526048. Its totient is φ = 476032000.

The previous prime is 1963633621. The next prime is 1963633663. The reversal of 1963633650 is 563363691.

It is a super-2 number, since 2×1963633650² = 7711714222824645000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 593391 + ... + 596690.

It is an arithmetic number, because the mean of its divisors is an integer number (110677626).

Almost surely, 2^1963633650 is an apocalyptic number.

1963633650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1963633650 is an abundant number, since it is smaller than the sum of its proper divisors (3348892398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963633650 is a wasteful number, since it uses less digits than its factorization.

1963633650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190107 (or 1190102 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 1963633650 is about 44312.9061335408. The cubic root of 1963633650 is about 1252.2378366124.

The spelling of 1963633650 in words is "one billion, nine hundred sixty-three million, six hundred thirty-three thousand, six hundred fifty".