1629798963 has 8 divisors (see below), whose sum is σ = 2340224208. Its totient is φ = 1002953184.

The previous prime is 1629798953. The next prime is 1629799007. The reversal of 1629798963 is 3698979261.

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

It is not a de Polignac number, because 1629798963 - 2⁶ = 1629798899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1629798897 and 1629798906.

It is not an unprimeable number, because it can be changed into a prime (1629798953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20894820 + ... + 20894897.

It is an arithmetic number, because the mean of its divisors is an integer number (292528026).

Almost surely, 2^1629798963 is an apocalyptic number.

1629798963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1629798963 is a deficient number, since it is larger than the sum of its proper divisors (710425245).

1629798963 is a wasteful number, since it uses less digits than its factorization.

1629798963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41789733.

The product of its digits is 8817984, while the sum is 60.

The square root of 1629798963 is about 40370.7686699176. The cubic root of 1629798963 is about 1176.8235365155.

The spelling of 1629798963 in words is "one billion, six hundred twenty-nine million, seven hundred ninety-eight thousand, nine hundred sixty-three".