1950946191 has 6 divisors (see below), whose sum is σ = 2818033400. Its totient is φ = 1300630788.

The previous prime is 1950946169. The next prime is 1950946211. The reversal of 1950946191 is 1916490591.

1950946191 is a `hidden beast` number, since 19 + 509 + 46 + 1 + 91 = 666.

It is not a de Polignac number, because 1950946191 - 2²² = 1946751887 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 (1950946121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108385891 + ... + 108385908.

Almost surely, 2^1950946191 is an apocalyptic number.

1950946191 is a deficient number, since it is larger than the sum of its proper divisors (867087209).

1950946191 is a wasteful number, since it uses less digits than its factorization.

1950946191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216771805 (or 216771802 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 1950946191 is about 44169.5165357286. The cubic root of 1950946191 is about 1249.5350144655.

The spelling of 1950946191 in words is "one billion, nine hundred fifty million, nine hundred forty-six thousand, one hundred ninety-one".