990679343914 has 8 divisors (see below), whose sum is σ = 1600328170980. Its totient is φ = 457236620256.

The previous prime is 990679343897. The next prime is 990679343917. The reversal of 990679343914 is 419343976099.

It can be written as a sum of positive squares in 2 ways, for example, as 694180580625 + 296498763289 = 833175^2 + 544517^2 .

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

It is not an unprimeable number, because it can be changed into a prime (990679343917) by changing a digit.

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, 19051525819 + ... + 19051525870.

Almost surely, 2^990679343914 is an apocalyptic number.

990679343914 is a deficient number, since it is larger than the sum of its proper divisors (609648827066).

990679343914 is a wasteful number, since it uses less digits than its factorization.

990679343914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38103051704.

The product of its (nonzero) digits is 39680928, while the sum is 64.

The spelling of 990679343914 in words is "nine hundred ninety billion, six hundred seventy-nine million, three hundred forty-three thousand, nine hundred fourteen".