1629642883 has 12 divisors (see below), whose sum is σ = 1793153880. Its totient is φ = 1479927680.

The previous prime is 1629642857. The next prime is 1629642929. The reversal of 1629642883 is 3882469261.

It is not a de Polignac number, because 1629642883 - 2¹⁷ = 1629511811 is a prime.

It is a super-2 number, since 2×1629642883² = 5311471852225103378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1629642823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116691 + ... + 129907.

It is an arithmetic number, because the mean of its divisors is an integer number (149429490).

Almost surely, 2^1629642883 is an apocalyptic number.

1629642883 is a deficient number, since it is larger than the sum of its proper divisors (163510997).

1629642883 is a wasteful number, since it uses less digits than its factorization.

1629642883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258 (or 14247 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 1629642883 is about 40368.8355417889. The cubic root of 1629642883 is about 1176.7859685934.

The spelling of 1629642883 in words is "one billion, six hundred twenty-nine million, six hundred forty-two thousand, eight hundred eighty-three".