4994391953 has 4 divisors (see below), whose sum is σ = 5019489600. Its totient is φ = 4969294308.

The previous prime is 4994391947. The next prime is 4994392001. The reversal of 4994391953 is 3591934994.

4994391953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4994391953 - 2¹⁶ = 4994326417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4994390953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12548525 + ... + 12548922.

It is an arithmetic number, because the mean of its divisors is an integer number (1254872400).

Almost surely, 2^4994391953 is an apocalyptic number.

It is an amenable number.

4994391953 is a deficient number, since it is larger than the sum of its proper divisors (25097647).

4994391953 is a wasteful number, since it uses less digits than its factorization.

4994391953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25097646.

The product of its digits is 4723920, while the sum is 56.

The square root of 4994391953 is about 70671.0121124638. The cubic root of 4994391953 is about 1709.3363991444.

The spelling of 4994391953 in words is "four billion, nine hundred ninety-four million, three hundred ninety-one thousand, nine hundred fifty-three".