13784746461 has 4 divisors (see below), whose sum is σ = 18379661952. Its totient is φ = 9189830972.

The previous prime is 13784746447. The next prime is 13784746483. The reversal of 13784746461 is 16464748731.

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.

It is a cyclic number.

It is not a de Polignac number, because 13784746461 - 2¹⁴ = 13784730077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13784746421) 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, 2297457741 + ... + 2297457746.

It is an arithmetic number, because the mean of its divisors is an integer number (4594915488).

Almost surely, 2^13784746461 is an apocalyptic number.

It is an amenable number.

13784746461 is a deficient number, since it is larger than the sum of its proper divisors (4594915491).

13784746461 is an equidigital number, since it uses as much as digits as its factorization.

13784746461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594915490.

The product of its digits is 2709504, while the sum is 51.

The spelling of 13784746461 in words is "thirteen billion, seven hundred eighty-four million, seven hundred forty-six thousand, four hundred sixty-one".