2474644538 has 4 divisors (see below), whose sum is σ = 3711966810. Its totient is φ = 1237322268.

The previous prime is 2474644537. The next prime is 2474644561. The reversal of 2474644538 is 8354464742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2413069129 + 61575409 = 49123^2 + 7847^2 .

It is a super-2 number, since 2×2474644538² = 12247731178906466888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2474644492 and 2474644501.

It is not an unprimeable number, because it can be changed into a prime (2474644537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618661133 + ... + 618661136.

Almost surely, 2^2474644538 is an apocalyptic number.

2474644538 is a deficient number, since it is larger than the sum of its proper divisors (1237322272).

2474644538 is a wasteful number, since it uses less digits than its factorization.

2474644538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237322271.

The product of its digits is 2580480, while the sum is 47.

The square root of 2474644538 is about 49745.7991995304. The cubic root of 2474644538 is about 1352.6048541384.

The spelling of 2474644538 in words is "two billion, four hundred seventy-four million, six hundred forty-four thousand, five hundred thirty-eight".