5228451511669 has 4 divisors (see below), whose sum is σ = 5229360971500. Its totient is φ = 5227542051840.

The previous prime is 5228451511651. The next prime is 5228451511691. The reversal of 5228451511669 is 9661151548225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2682591931044 + 2545859580625 = 1637862^2 + 1595575^2 .

It is a cyclic number.

It is not a de Polignac number, because 5228451511669 - 2⁵ = 5228451511637 is a prime.

It is a super-2 number, since 2×5228451511669² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5228451511069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454721292 + ... + 454732789.

It is an arithmetic number, because the mean of its divisors is an integer number (1307340242875).

Almost surely, 2^{5228451511669} is an apocalyptic number.

It is an amenable number.

5228451511669 is a deficient number, since it is larger than the sum of its proper divisors (909459831).

5228451511669 is an equidigital number, since it uses as much as digits as its factorization.

5228451511669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909459830.

The product of its digits is 5184000, while the sum is 55.

The spelling of 5228451511669 in words is "five trillion, two hundred twenty-eight billion, four hundred fifty-one million, five hundred eleven thousand, six hundred sixty-nine".