10144304532421 has 2 divisors, whose sum is σ = 10144304532422. Its totient is φ = 10144304532420.

The previous prime is 10144304532419. The next prime is 10144304532497. The reversal of 10144304532421 is 12423540344101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9666415755396 + 477888777025 = 3109086^2 + 691295^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144304532421 - 2¹ = 10144304532419 is a prime.

Together with 10144304532419, 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 (10144304502421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072152266210 + 5072152266211.

It is an arithmetic number, because the mean of its divisors is an integer number (5072152266211).

Almost surely, 2^{10144304532421} is an apocalyptic number.

It is an amenable number.

10144304532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10144304532421 is an equidigital number, since it uses as much as digits as its factorization.

10144304532421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 10144304532421 its reverse (12423540344101), we get a palindrome (22567844876522).

The spelling of 10144304532421 in words is "ten trillion, one hundred forty-four billion, three hundred four million, five hundred thirty-two thousand, four hundred twenty-one".