329736990109 has 6 divisors (see below), whose sum is σ = 332768150330. Its totient is φ = 326705940000.

The previous prime is 329736990097. The next prime is 329736990119. The reversal of 329736990109 is 901099637923.

It can be written as a sum of positive squares in 3 ways, for example, as 8867988900 + 320869001209 = 94170^2 + 566453^2 .

It is not a de Polignac number, because 329736990109 - 2⁹ = 329736989597 is a prime.

It is a super-2 number, since 2×329736990109² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329736990119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5967609 + ... + 6022609.

Almost surely, 2^329736990109 is an apocalyptic number.

It is an amenable number.

329736990109 is a deficient number, since it is larger than the sum of its proper divisors (3031160221).

329736990109 is an frugal number, since it uses more digits than its factorization.

329736990109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111 (or 55110 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 58.

The spelling of 329736990109 in words is "three hundred twenty-nine billion, seven hundred thirty-six million, nine hundred ninety thousand, one hundred nine".