1413828421 has 2 divisors, whose sum is σ = 1413828422. Its totient is φ = 1413828420.

The previous prime is 1413828419. The next prime is 1413828463. The reversal of 1413828421 is 1248283141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148464321 + 265364100 = 33889^2 + 16290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413828421 - 2¹ = 1413828419 is a prime.

It is a super-3 number, since 3×1413828421³ (a number of 28 digits) contains 333 as substring.

Together with 1413828419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413828491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706914210 + 706914211.

It is an arithmetic number, because the mean of its divisors is an integer number (706914211).

Almost surely, 2^1413828421 is an apocalyptic number.

It is an amenable number.

1413828421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413828421 is an equidigital number, since it uses as much as digits as its factorization.

1413828421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 34.

The square root of 1413828421 is about 37600.9098427152. The cubic root of 1413828421 is about 1122.3601434212.

The spelling of 1413828421 in words is "one billion, four hundred thirteen million, eight hundred twenty-eight thousand, four hundred twenty-one".