13662087547 has 2 divisors, whose sum is σ = 13662087548. Its totient is φ = 13662087546.

The previous prime is 13662087521. The next prime is 13662087557. The reversal of 13662087547 is 74578026631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13662087547 - 2⁷ = 13662087419 is a prime.

It is a super-2 number, since 2×13662087547² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13662087547.

It is not a weakly prime, because it can be changed into another prime (13662087557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831043773 + 6831043774.

It is an arithmetic number, because the mean of its divisors is an integer number (6831043774).

Almost surely, 2^13662087547 is an apocalyptic number.

13662087547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662087547 is an equidigital number, since it uses as much as digits as its factorization.

13662087547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 13662087547 in words is "thirteen billion, six hundred sixty-two million, eighty-seven thousand, five hundred forty-seven".