13662123463 has 4 divisors (see below), whose sum is σ = 13688965080. Its totient is φ = 13635281848.

The previous prime is 13662123437. The next prime is 13662123467. The reversal of 13662123463 is 36432126631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13662123463 is a prime.

It is a super-2 number, since 2×13662123463² (a number of 21 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 (13662123467) 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, 13420045 + ... + 13421062.

It is an arithmetic number, because the mean of its divisors is an integer number (3422241270).

Almost surely, 2^13662123463 is an apocalyptic number.

13662123463 is a deficient number, since it is larger than the sum of its proper divisors (26841617).

13662123463 is an equidigital number, since it uses as much as digits as its factorization.

13662123463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26841616.

The product of its digits is 93312, while the sum is 37.

The spelling of 13662123463 in words is "thirteen billion, six hundred sixty-two million, one hundred twenty-three thousand, four hundred sixty-three".