4923271990 has 64 divisors (see below), whose sum is σ = 11038519296. Its totient is φ = 1539338112.

The previous prime is 4923271973. The next prime is 4923272023. The reversal of 4923271990 is 991723294.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4923271990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42939 + ... + 108121.

It is an arithmetic number, because the mean of its divisors is an integer number (172476864).

Almost surely, 2^4923271990 is an apocalyptic number.

4923271990 is an abundant number, since it is smaller than the sum of its proper divisors (6115247306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4923271990 is a wasteful number, since it uses less digits than its factorization.

4923271990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65293.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 4923271990 is about 70166.0315964926. The cubic root of 4923271990 is about 1701.1839491913.

The spelling of 4923271990 in words is "four billion, nine hundred twenty-three million, two hundred seventy-one thousand, nine hundred ninety".