1950968719 has 4 divisors (see below), whose sum is σ = 2229678544. Its totient is φ = 1672258896.

The previous prime is 1950968717. The next prime is 1950968759. The reversal of 1950968719 is 9178690591.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1950968719 - 2¹ = 1950968717 is a prime.

It is a super-3 number, since 3×1950968719³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1950968719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950968717) 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 3 ways as a sum of consecutive naturals, for example, 139354902 + ... + 139354915.

It is an arithmetic number, because the mean of its divisors is an integer number (557419636).

Almost surely, 2^1950968719 is an apocalyptic number.

1950968719 is a deficient number, since it is larger than the sum of its proper divisors (278709825).

1950968719 is an equidigital number, since it uses as much as digits as its factorization.

1950968719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278709824.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The square root of 1950968719 is about 44169.7715524996. The cubic root of 1950968719 is about 1249.5398239979.

The spelling of 1950968719 in words is "one billion, nine hundred fifty million, nine hundred sixty-eight thousand, seven hundred nineteen".