1432143022421 has 2 divisors, whose sum is σ = 1432143022422. Its totient is φ = 1432143022420.

The previous prime is 1432143022411. The next prime is 1432143022447. The reversal of 1432143022421 is 1242203412341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245264055396 + 186878967025 = 1115914^2 + 432295^2 .

It is an emirp because it is prime and its reverse (1242203412341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1432143022421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432143022411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716071511210 + 716071511211.

It is an arithmetic number, because the mean of its divisors is an integer number (716071511211).

Almost surely, 2^{1432143022421} is an apocalyptic number.

It is an amenable number.

1432143022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432143022421 is an equidigital number, since it uses as much as digits as its factorization.

1432143022421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1432143022421 its reverse (1242203412341), we get a palindrome (2674346434762).

The spelling of 1432143022421 in words is "one trillion, four hundred thirty-two billion, one hundred forty-three million, twenty-two thousand, four hundred twenty-one".