1963139632 has 10 divisors (see below), whose sum is σ = 3803583068. Its totient is φ = 981569808.

The previous prime is 1963139623. The next prime is 1963139639. The reversal of 1963139632 is 2369313691.

It is not an unprimeable number, because it can be changed into a prime (1963139639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61348098 + ... + 61348129.

Almost surely, 2^1963139632 is an apocalyptic number.

It is an amenable number.

1963139632 is a deficient number, since it is larger than the sum of its proper divisors (1840443436).

1963139632 is a wasteful number, since it uses less digits than its factorization.

1963139632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122696235 (or 122696229 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 1963139632 is about 44307.3315829333. The cubic root of 1963139632 is about 1252.1328136417.

The spelling of 1963139632 in words is "one billion, nine hundred sixty-three million, one hundred thirty-nine thousand, six hundred thirty-two".