6329689955 has 4 divisors (see below), whose sum is σ = 7595627952. Its totient is φ = 5063751960.

The previous prime is 6329689931. The next prime is 6329689969. The reversal of 6329689955 is 5599869236.

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

It is not a de Polignac number, because 6329689955 - 2³² = 2034722659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632968991 + ... + 632969000.

It is an arithmetic number, because the mean of its divisors is an integer number (1898906988).

Almost surely, 2^6329689955 is an apocalyptic number.

6329689955 is a deficient number, since it is larger than the sum of its proper divisors (1265937997).

6329689955 is a wasteful number, since it uses less digits than its factorization.

6329689955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265937996.

The product of its digits is 31492800, while the sum is 62.

The square root of 6329689955 is about 79559.3486335830. The cubic root of 6329689955 is about 1849.8115176859.

The spelling of 6329689955 in words is "six billion, three hundred twenty-nine million, six hundred eighty-nine thousand, nine hundred fifty-five".