13462087681 has 4 divisors (see below), whose sum is σ = 15385243072. Its totient is φ = 11538932292.

The previous prime is 13462087669. The next prime is 13462087693. The reversal of 13462087681 is 18678026431.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18678026431 = 51563 ⋅362237.

It is an interprime number because it is at equal distance from previous prime (13462087669) and next prime (13462087693).

It is a cyclic number.

It is not a de Polignac number, because 13462087681 - 2⁵ = 13462087649 is a prime.

It is a super-2 number, since 2×13462087681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13462087181) 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, 961577685 + ... + 961577698.

It is an arithmetic number, because the mean of its divisors is an integer number (3846310768).

Almost surely, 2^13462087681 is an apocalyptic number.

It is an amenable number.

13462087681 is a deficient number, since it is larger than the sum of its proper divisors (1923155391).

13462087681 is an equidigital number, since it uses as much as digits as its factorization.

13462087681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923155390.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 13462087681 in words is "thirteen billion, four hundred sixty-two million, eighty-seven thousand, six hundred eighty-one".