2493943947 has 48 divisors (see below), whose sum is σ = 4028465376. Its totient is φ = 1486267200.

The previous prime is 2493943913. The next prime is 2493943951. The reversal of 2493943947 is 7493493942.

It is a happy number.

2493943947 is a `hidden beast` number, since 249 + 3 + 9 + 4 + 394 + 7 = 666.

It is not a de Polignac number, because 2493943947 - 2⁶ = 2493943883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2493943893 and 2493943902.

It is not an unprimeable number, because it can be changed into a prime (2493943987) 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 47 ways as a sum of consecutive naturals, for example, 729013 + ... + 732425.

It is an arithmetic number, because the mean of its divisors is an integer number (83926362).

Almost surely, 2^2493943947 is an apocalyptic number.

2493943947 is a deficient number, since it is larger than the sum of its proper divisors (1534521429).

2493943947 is a wasteful number, since it uses less digits than its factorization.

2493943947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3488 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 2493943947 is about 49939.4027497326. The cubic root of 2493943947 is about 1356.1120117223.

It can be divided in two parts, 24939 and 43947, that added together give a palindrome (68886).

The spelling of 2493943947 in words is "two billion, four hundred ninety-three million, nine hundred forty-three thousand, nine hundred forty-seven".