2493907947 has 40 divisors (see below), whose sum is σ = 3932712960. Its totient is φ = 1570615920.

The previous prime is 2493907921. The next prime is 2493907961. The reversal of 2493907947 is 7497093942.

It is a happy number.

2493907947 is a `hidden beast` number, since 249 + 390 + 7 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 2493907947 - 2¹⁴ = 2493891563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2493907893 and 2493907902.

It is not an unprimeable number, because it can be changed into a prime (2493907547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 587322 + ... + 591552.

It is an arithmetic number, because the mean of its divisors is an integer number (98317824).

Almost surely, 2^2493907947 is an apocalyptic number.

2493907947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2493907947 is a deficient number, since it is larger than the sum of its proper divisors (1438805013).

2493907947 is a wasteful number, since it uses less digits than its factorization.

2493907947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4636 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 2493907947 is about 49939.0423116023. The cubic root of 2493907947 is about 1356.1054865466.

The spelling of 2493907947 in words is "two billion, four hundred ninety-three million, nine hundred seven thousand, nine hundred forty-seven".