5261641633 has 4 divisors (see below), whose sum is σ = 5538570160. Its totient is φ = 4984713108.

The previous prime is 5261641631. The next prime is 5261641673. The reversal of 5261641633 is 3361461625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5261641633 - 2¹ = 5261641631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5261641592 and 5261641601.

It is not an unprimeable number, because it can be changed into a prime (5261641631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138464235 + ... + 138464272.

It is an arithmetic number, because the mean of its divisors is an integer number (1384642540).

Almost surely, 2^5261641633 is an apocalyptic number.

It is an amenable number.

5261641633 is a deficient number, since it is larger than the sum of its proper divisors (276928527).

5261641633 is a wasteful number, since it uses less digits than its factorization.

5261641633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276928526.

The product of its digits is 77760, while the sum is 37.

The square root of 5261641633 is about 72537.1741453994. The cubic root of 5261641633 is about 1739.2970288665.

It can be divided in two parts, 52616 and 41633, that added together give a palindrome (94249).

The spelling of 5261641633 in words is "five billion, two hundred sixty-one million, six hundred forty-one thousand, six hundred thirty-three".