4946640949 has 4 divisors (see below), whose sum is σ = 4955304640. Its totient is φ = 4937977260.

The previous prime is 4946640911. The next prime is 4946640967. The reversal of 4946640949 is 9490466494.

It is a happy number.

4946640949 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 4946640949 - 2⁷ = 4946640821 is a prime.

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 4946640949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4946640449) 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, 4330989 + ... + 4332130.

It is an arithmetic number, because the mean of its divisors is an integer number (1238826160).

Almost surely, 2^4946640949 is an apocalyptic number.

It is an amenable number.

4946640949 is a deficient number, since it is larger than the sum of its proper divisors (8663691).

4946640949 is an equidigital number, since it uses as much as digits as its factorization.

4946640949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663690.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The square root of 4946640949 is about 70332.3606101772. The cubic root of 4946640949 is about 1703.8713328911.

The spelling of 4946640949 in words is "four billion, nine hundred forty-six million, six hundred forty thousand, nine hundred forty-nine".