2494475761 has 2 divisors, whose sum is σ = 2494475762. Its totient is φ = 2494475760.

The previous prime is 2494475759. The next prime is 2494475779. The reversal of 2494475761 is 1675744942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399530225 + 94945536 = 48985^2 + 9744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2494475761 - 2¹ = 2494475759 is a prime.

Together with 2494475759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2494415761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247237880 + 1247237881.

It is an arithmetic number, because the mean of its divisors is an integer number (1247237881).

Almost surely, 2^2494475761 is an apocalyptic number.

It is an amenable number.

2494475761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494475761 is an equidigital number, since it uses as much as digits as its factorization.

2494475761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 2494475761 is about 49944.7270590200. The cubic root of 2494475761 is about 1356.2083982907.

The spelling of 2494475761 in words is "two billion, four hundred ninety-four million, four hundred seventy-five thousand, seven hundred sixty-one".