5267367215621 has 4 divisors (see below), whose sum is σ = 6019848246432. Its totient is φ = 4514886184812.

The previous prime is 5267367215581. The next prime is 5267367215651. The reversal of 5267367215621 is 1265127637625.

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 5267367215621 - 2⁶ = 5267367215557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5267367215651) 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, 376240515395 + ... + 376240515408.

It is an arithmetic number, because the mean of its divisors is an integer number (1504962061608).

Almost surely, 2^{5267367215621} is an apocalyptic number.

It is an amenable number.

5267367215621 is a deficient number, since it is larger than the sum of its proper divisors (752481030811).

5267367215621 is an equidigital number, since it uses as much as digits as its factorization.

5267367215621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752481030810.

The product of its digits is 6350400, while the sum is 53.

The spelling of 5267367215621 in words is "five trillion, two hundred sixty-seven billion, three hundred sixty-seven million, two hundred fifteen thousand, six hundred twenty-one".