7513401632321 has 32 divisors (see below), whose sum is σ = 8390499167232. Its totient is φ = 6681097543680.

The previous prime is 7513401632299. The next prime is 7513401632327. The reversal of 7513401632321 is 1232361043157.

It is a cyclic number.

It is not a de Polignac number, because 7513401632321 - 2⁶ = 7513401632257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7513401632327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438781466 + ... + 438798588.

It is an arithmetic number, because the mean of its divisors is an integer number (262203098976).

Almost surely, 2^{7513401632321} is an apocalyptic number.

It is an amenable number.

7513401632321 is a deficient number, since it is larger than the sum of its proper divisors (877097534911).

7513401632321 is a wasteful number, since it uses less digits than its factorization.

7513401632321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 7513401632321 its reverse (1232361043157), we get a palindrome (8745762675478).

The spelling of 7513401632321 in words is "seven trillion, five hundred thirteen billion, four hundred one million, six hundred thirty-two thousand, three hundred twenty-one".