2493870461 has 2 divisors, whose sum is σ = 2493870462. Its totient is φ = 2493870460.

The previous prime is 2493870451. The next prime is 2493870523. The reversal of 2493870461 is 1640783942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1883039236 + 610831225 = 43394^2 + 24715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2493870461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2493870451) 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, 1246935230 + 1246935231.

It is an arithmetic number, because the mean of its divisors is an integer number (1246935231).

Almost surely, 2^2493870461 is an apocalyptic number.

It is an amenable number.

2493870461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493870461 is an equidigital number, since it uses as much as digits as its factorization.

2493870461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2493870461 is about 49938.6669926221. Note that the first 3 decimals coincide. The cubic root of 2493870461 is about 1356.0986919595.

The spelling of 2493870461 in words is "two billion, four hundred ninety-three million, eight hundred seventy thousand, four hundred sixty-one".