1413763621 has 4 divisors (see below), whose sum is σ = 1413932544. Its totient is φ = 1413594700.

The previous prime is 1413763541. The next prime is 1413763627. The reversal of 1413763621 is 1263673141.

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 1413763621 - 2²⁵ = 1380209189 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 (1413763627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71215 + ... + 88876.

It is an arithmetic number, because the mean of its divisors is an integer number (353483136).

Almost surely, 2^1413763621 is an apocalyptic number.

It is an amenable number.

1413763621 is a deficient number, since it is larger than the sum of its proper divisors (168923).

1413763621 is an equidigital number, since it uses as much as digits as its factorization.

1413763621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168922.

The product of its digits is 18144, while the sum is 34.

The square root of 1413763621 is about 37600.0481515649. The cubic root of 1413763621 is about 1122.3429961146.

The spelling of 1413763621 in words is "one billion, four hundred thirteen million, seven hundred sixty-three thousand, six hundred twenty-one".