100429439839 has 4 divisors (see below), whose sum is σ = 100592211024. Its totient is φ = 100266668656.

The previous prime is 100429439837. The next prime is 100429439927. The reversal of 100429439839 is 938934924001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100429439839 - 2¹ = 100429439837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100429439837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81384667 + ... + 81385900.

It is an arithmetic number, because the mean of its divisors is an integer number (25148052756).

Almost surely, 2^100429439839 is an apocalyptic number.

100429439839 is a deficient number, since it is larger than the sum of its proper divisors (162771185).

100429439839 is an equidigital number, since it uses as much as digits as its factorization.

100429439839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162771184.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 100429439839 in words is "one hundred billion, four hundred twenty-nine million, four hundred thirty-nine thousand, eight hundred thirty-nine".