7636152450221 has 8 divisors (see below), whose sum is σ = 7638470679840. Its totient is φ = 7633834433712.

The previous prime is 7636152450211. The next prime is 7636152450271. The reversal of 7636152450221 is 1220542516367.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7636152450221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7636152450211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97686170 + ... + 97764308.

It is an arithmetic number, because the mean of its divisors is an integer number (954808834980).

Almost surely, 2^{7636152450221} is an apocalyptic number.

It is an amenable number.

7636152450221 is a deficient number, since it is larger than the sum of its proper divisors (2318229619).

7636152450221 is a wasteful number, since it uses less digits than its factorization.

7636152450221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106555.

The product of its (nonzero) digits is 604800, while the sum is 44.

Adding to 7636152450221 its reverse (1220542516367), we get a palindrome (8856694966588).

The spelling of 7636152450221 in words is "seven trillion, six hundred thirty-six billion, one hundred fifty-two million, four hundred fifty thousand, two hundred twenty-one".