1950721094 has 8 divisors (see below), whose sum is σ = 3344093328. Its totient is φ = 836023320.

The previous prime is 1950721079. The next prime is 1950721099. The reversal of 1950721094 is 4901270591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950721099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69668597 + ... + 69668624.

It is an arithmetic number, because the mean of its divisors is an integer number (418011666).

Almost surely, 2^1950721094 is an apocalyptic number.

1950721094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1950721094 is a deficient number, since it is larger than the sum of its proper divisors (1393372234).

1950721094 is a wasteful number, since it uses less digits than its factorization.

1950721094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139337230.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1950721094 is about 44166.9683587180. The cubic root of 1950721094 is about 1249.4869561776.

The spelling of 1950721094 in words is "one billion, nine hundred fifty million, seven hundred twenty-one thousand, ninety-four".