1950904221 has 16 divisors (see below), whose sum is σ = 2979531264. Its totient is φ = 1112280624.

The previous prime is 1950904213. The next prime is 1950904223. The reversal of 1950904221 is 1224090591.

It is not a de Polignac number, because 1950904221 - 2³ = 1950904213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950904223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 95551 + ... + 114156.

It is an arithmetic number, because the mean of its divisors is an integer number (186220704).

Almost surely, 2^1950904221 is an apocalyptic number.

It is an amenable number.

1950904221 is a deficient number, since it is larger than the sum of its proper divisors (1028627043).

1950904221 is a wasteful number, since it uses less digits than its factorization.

1950904221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210160.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1950904221 is about 44169.0414317540. The cubic root of 1950904221 is about 1249.5260541363.

The spelling of 1950904221 in words is "one billion, nine hundred fifty million, nine hundred four thousand, two hundred twenty-one".