14656421461 has 4 divisors (see below), whose sum is σ = 15988823424. Its totient is φ = 13324019500.

The previous prime is 14656421393. The next prime is 14656421503. The reversal of 14656421461 is 16412465641.

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 not a de Polignac number, because 14656421461 - 2⁹ = 14656420949 is a prime.

It is a super-2 number, since 2×14656421461² (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 (14656421161) 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, 666200965 + ... + 666200986.

It is an arithmetic number, because the mean of its divisors is an integer number (3997205856).

Almost surely, 2^14656421461 is an apocalyptic number.

14656421461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14656421461 is a deficient number, since it is larger than the sum of its proper divisors (1332401963).

14656421461 is a wasteful number, since it uses less digits than its factorization.

14656421461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332401962.

The product of its digits is 138240, while the sum is 40.

The spelling of 14656421461 in words is "fourteen billion, six hundred fifty-six million, four hundred twenty-one thousand, four hundred sixty-one".