13621545367 has 2 divisors, whose sum is σ = 13621545368. Its totient is φ = 13621545366.

The previous prime is 13621545347. The next prime is 13621545373. The reversal of 13621545367 is 76354512631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13621545367 - 2¹⁹ = 13621021079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13621545347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6810772683 + 6810772684.

It is an arithmetic number, because the mean of its divisors is an integer number (6810772684).

Almost surely, 2^13621545367 is an apocalyptic number.

13621545367 is a deficient number, since it is larger than the sum of its proper divisors (1).

13621545367 is an equidigital number, since it uses as much as digits as its factorization.

13621545367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The spelling of 13621545367 in words is "thirteen billion, six hundred twenty-one million, five hundred forty-five thousand, three hundred sixty-seven".