4944391954 has 4 divisors (see below), whose sum is σ = 7416587934. Its totient is φ = 2472195976.

The previous prime is 4944391951. The next prime is 4944391957. The reversal of 4944391954 is 4591934494.

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

It is an interprime number because it is at equal distance from previous prime (4944391951) and next prime (4944391957).

It can be written as a sum of positive squares in only one way, i.e., 4924811329 + 19580625 = 70177^2 + 4425^2 .

It is not an unprimeable number, because it can be changed into a prime (4944391951) 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 as a sum of consecutive naturals, namely, 1236097987 + ... + 1236097990.

Almost surely, 2^4944391954 is an apocalyptic number.

4944391954 is a deficient number, since it is larger than the sum of its proper divisors (2472195980).

4944391954 is a wasteful number, since it uses less digits than its factorization.

4944391954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472195979.

The product of its digits is 2799360, while the sum is 52.

The square root of 4944391954 is about 70316.3704552503. The cubic root of 4944391954 is about 1703.6130715083.

The spelling of 4944391954 in words is "four billion, nine hundred forty-four million, three hundred ninety-one thousand, nine hundred fifty-four".