7253123649 has 8 divisors (see below), whose sum is σ = 9683850432. Its totient is φ = 4828906320.

The previous prime is 7253123639. The next prime is 7253123663. The reversal of 7253123649 is 9463213527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7253123649 - 2¹² = 7253119553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7253123649.

It is not an unprimeable number, because it can be changed into a prime (7253123609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624762 + ... + 1629219.

It is an arithmetic number, because the mean of its divisors is an integer number (1210481304).

Almost surely, 2^7253123649 is an apocalyptic number.

It is an amenable number.

7253123649 is a deficient number, since it is larger than the sum of its proper divisors (2430726783).

7253123649 is a wasteful number, since it uses less digits than its factorization.

7253123649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254727.

The product of its digits is 272160, while the sum is 42.

The square root of 7253123649 is about 85165.2725528428. The cubic root of 7253123649 is about 1935.7162404027.

The spelling of 7253123649 in words is "seven billion, two hundred fifty-three million, one hundred twenty-three thousand, six hundred forty-nine".