1954446994 has 8 divisors (see below), whose sum is σ = 2932058700. Its totient is φ = 977094096.

The previous prime is 1954446971. The next prime is 1954447009. The reversal of 1954446994 is 4996444591.

It can be written as a sum of positive squares in 2 ways, for example, as 1949664025 + 4782969 = 44155^2 + 2187^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44569 + ... + 76780.

Almost surely, 2^1954446994 is an apocalyptic number.

1954446994 is a deficient number, since it is larger than the sum of its proper divisors (977611706).

1954446994 is a wasteful number, since it uses less digits than its factorization.

1954446994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129404.

The product of its digits is 5598720, while the sum is 55.

The square root of 1954446994 is about 44209.1279488750. The cubic root of 1954446994 is about 1250.2819617799.

The spelling of 1954446994 in words is "one billion, nine hundred fifty-four million, four hundred forty-six thousand, nine hundred ninety-four".