1415414421 has 12 divisors (see below), whose sum is σ = 2053418380. Its totient is φ = 939487680.

The previous prime is 1415414419. The next prime is 1415414453. The reversal of 1415414421 is 1244145141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 979064100 + 436350321 = 31290^2 + 20889^2 .

It is not a de Polignac number, because 1415414421 - 2¹ = 1415414419 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 (1415414401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341320 + ... + 345441.

Almost surely, 2^1415414421 is an apocalyptic number.

It is an amenable number.

1415414421 is a deficient number, since it is larger than the sum of its proper divisors (638003959).

1415414421 is a wasteful number, since it uses less digits than its factorization.

1415414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686996 (or 686993 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1415414421 is about 37621.9938466849. The cubic root of 1415414421 is about 1122.7796658009.

Adding to 1415414421 its reverse (1244145141), we get a palindrome (2659559562).

The spelling of 1415414421 in words is "one billion, four hundred fifteen million, four hundred fourteen thousand, four hundred twenty-one".