1414554821 has 4 divisors (see below), whose sum is σ = 1415712672. Its totient is φ = 1413396972.

The previous prime is 1414554811. The next prime is 1414554833. The reversal of 1414554821 is 1284554141.

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 a de Polignac number, because none of the positive numbers 2^k-1414554821 is a prime.

It is a super-2 number, since 2×1414554821² = 4001930683228684082, which 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 (1414554811) 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, 577091 + ... + 579536.

It is an arithmetic number, because the mean of its divisors is an integer number (353928168).

Almost surely, 2^1414554821 is an apocalyptic number.

It is an amenable number.

1414554821 is a deficient number, since it is larger than the sum of its proper divisors (1157851).

1414554821 is a wasteful number, since it uses less digits than its factorization.

1414554821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157850.

The product of its digits is 25600, while the sum is 35.

The square root of 1414554821 is about 37610.5679430662. The cubic root of 1414554821 is about 1122.5523267654.

The spelling of 1414554821 in words is "one billion, four hundred fourteen million, five hundred fifty-four thousand, eight hundred twenty-one".