1418455461 has 4 divisors (see below), whose sum is σ = 1891273952. Its totient is φ = 945636972.

The previous prime is 1418455457. The next prime is 1418455487. The reversal of 1418455461 is 1645548141.

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 1418455461 - 2² = 1418455457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418455411) 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, 236409241 + ... + 236409246.

It is an arithmetic number, because the mean of its divisors is an integer number (472818488).

Almost surely, 2^1418455461 is an apocalyptic number.

It is an amenable number.

1418455461 is a deficient number, since it is larger than the sum of its proper divisors (472818491).

1418455461 is an equidigital number, since it uses as much as digits as its factorization.

1418455461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472818490.

The product of its digits is 76800, while the sum is 39.

The square root of 1418455461 is about 37662.3878823422. The cubic root of 1418455461 is about 1123.5831938298.

The spelling of 1418455461 in words is "one billion, four hundred eighteen million, four hundred fifty-five thousand, four hundred sixty-one".