10687221601633 has 2 divisors, whose sum is σ = 10687221601634. Its totient is φ = 10687221601632.

The previous prime is 10687221601583. The next prime is 10687221601643. The reversal of 10687221601633 is 33610612278601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9666925652224 + 1020295949409 = 3109168^2 + 1010097^2 .

It is a cyclic number.

It is not a de Polignac number, because 10687221601633 - 2⁴¹ = 8488198346081 is a prime.

It is a super-2 number, since 2×10687221601633² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10687221601643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343610800816 + 5343610800817.

It is an arithmetic number, because the mean of its divisors is an integer number (5343610800817).

Almost surely, 2^{10687221601633} is an apocalyptic number.

It is an amenable number.

10687221601633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10687221601633 is an equidigital number, since it uses as much as digits as its factorization.

10687221601633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 10687221601633 in words is "ten trillion, six hundred eighty-seven billion, two hundred twenty-one million, six hundred one thousand, six hundred thirty-three".