13750634321 has 2 divisors, whose sum is σ = 13750634322. Its totient is φ = 13750634320.

The previous prime is 13750634311. The next prime is 13750634327. The reversal of 13750634321 is 12343605731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13187995921 + 562638400 = 114839^2 + 23720^2 .

It is a cyclic number.

It is not a de Polignac number, because 13750634321 - 2¹⁰ = 13750633297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13750634327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875317160 + 6875317161.

It is an arithmetic number, because the mean of its divisors is an integer number (6875317161).

Almost surely, 2^13750634321 is an apocalyptic number.

It is an amenable number.

13750634321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13750634321 is an equidigital number, since it uses as much as digits as its factorization.

13750634321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 13750634321 in words is "thirteen billion, seven hundred fifty million, six hundred thirty-four thousand, three hundred twenty-one".