2452923649 has 4 divisors (see below), whose sum is σ = 2675916720. Its totient is φ = 2229930580.

The previous prime is 2452923647. The next prime is 2452923677. The reversal of 2452923649 is 9463292542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2452923649 - 2¹ = 2452923647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2452923599 and 2452923608.

It is not an unprimeable number, because it can be changed into a prime (2452923647) 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 in 3 ways as a sum of consecutive naturals, for example, 111496519 + ... + 111496540.

It is an arithmetic number, because the mean of its divisors is an integer number (668979180).

Almost surely, 2^2452923649 is an apocalyptic number.

It is an amenable number.

2452923649 is a deficient number, since it is larger than the sum of its proper divisors (222993071).

2452923649 is a wasteful number, since it uses less digits than its factorization.

2452923649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222993070.

The product of its digits is 933120, while the sum is 46.

The square root of 2452923649 is about 49526.9991923597. Note that the first 3 decimals coincide. The cubic root of 2452923649 is about 1348.6357776082.

The spelling of 2452923649 in words is "two billion, four hundred fifty-two million, nine hundred twenty-three thousand, six hundred forty-nine".