2014557421 has 4 divisors (see below), whose sum is σ = 2042154172. Its totient is φ = 1986960672.

The previous prime is 2014557397. The next prime is 2014557437. The reversal of 2014557421 is 1247554102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1247554102 = 2 ⋅623777051.

It can be written as a sum of positive squares in 2 ways, for example, as 1583164521 + 431392900 = 39789^2 + 20770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2014557421 - 2²¹ = 2012460269 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 (2014551421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13798266 + ... + 13798411.

It is an arithmetic number, because the mean of its divisors is an integer number (510538543).

Almost surely, 2^2014557421 is an apocalyptic number.

It is an amenable number.

2014557421 is a deficient number, since it is larger than the sum of its proper divisors (27596751).

2014557421 is an equidigital number, since it uses as much as digits as its factorization.

2014557421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596750.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2014557421 is about 44883.8213725168. The cubic root of 2014557421 is about 1262.9705299165.

The spelling of 2014557421 in words is "two billion, fourteen million, five hundred fifty-seven thousand, four hundred twenty-one".