990000618934 has 8 divisors (see below), whose sum is σ = 1485647431128. Its totient is φ = 494784808560.

The previous prime is 990000618911. The next prime is 990000618953. The reversal of 990000618934 is 439816000099.

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

It is a super-3 number, since 3×990000618934³ (a number of 37 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 107744712 + ... + 107753899.

It is an arithmetic number, because the mean of its divisors is an integer number (185705928891).

Almost surely, 2^990000618934 is an apocalyptic number.

990000618934 is a deficient number, since it is larger than the sum of its proper divisors (495646812194).

990000618934 is a wasteful number, since it uses less digits than its factorization.

990000618934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215500910.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 990000618934 in words is "nine hundred ninety billion, six hundred eighteen thousand, nine hundred thirty-four".