981629829605 has 8 divisors (see below), whose sum is σ = 1178891431200. Its totient is φ = 784680106576.

The previous prime is 981629829529. The next prime is 981629829617. The reversal of 981629829605 is 506928926189.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981629829605 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 77962715 + ... + 77975304.

It is an arithmetic number, because the mean of its divisors is an integer number (147361428900).

Almost surely, 2^981629829605 is an apocalyptic number.

It is an amenable number.

981629829605 is a deficient number, since it is larger than the sum of its proper divisors (197261601595).

981629829605 is a wasteful number, since it uses less digits than its factorization.

981629829605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155939283.

The product of its (nonzero) digits is 33592320, while the sum is 65.

The spelling of 981629829605 in words is "nine hundred eighty-one billion, six hundred twenty-nine million, eight hundred twenty-nine thousand, six hundred five".