1434015421 has 2 divisors, whose sum is σ = 1434015422. Its totient is φ = 1434015420.

The previous prime is 1434015409. The next prime is 1434015469. The reversal of 1434015421 is 1245104341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821452921 + 612562500 = 28661^2 + 24750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434015421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434015521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717007710 + 717007711.

It is an arithmetic number, because the mean of its divisors is an integer number (717007711).

Almost surely, 2^1434015421 is an apocalyptic number.

It is an amenable number.

1434015421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434015421 is an equidigital number, since it uses as much as digits as its factorization.

1434015421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1434015421 is about 37868.3960711303. The cubic root of 1434015421 is about 1127.6767001494.

Adding to 1434015421 its reverse (1245104341), we get a palindrome (2679119762).

The spelling of 1434015421 in words is "one billion, four hundred thirty-four million, fifteen thousand, four hundred twenty-one".