4950500021 has 4 divisors (see below), whose sum is σ = 4998563232. Its totient is φ = 4902436812.

The previous prime is 4950500017. The next prime is 4950500111. The reversal of 4950500021 is 1200050594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4950500021 - 2² = 4950500017 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 (4950503021) 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, 24031451 + ... + 24031656.

It is an arithmetic number, because the mean of its divisors is an integer number (1249640808).

Almost surely, 2^4950500021 is an apocalyptic number.

It is an amenable number.

4950500021 is a deficient number, since it is larger than the sum of its proper divisors (48063211).

4950500021 is a wasteful number, since it uses less digits than its factorization.

4950500021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48063210.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 4950500021 is about 70359.7898021306. The cubic root of 4950500021 is about 1704.3143037246.

The spelling of 4950500021 in words is "four billion, nine hundred fifty million, five hundred thousand, twenty-one".