10144432409 has 2 divisors, whose sum is σ = 10144432410. Its totient is φ = 10144432408.

The previous prime is 10144432387. The next prime is 10144432451. The reversal of 10144432409 is 90423444101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6420015625 + 3724416784 = 80125^2 + 61028^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144432409 - 2⁸ = 10144432153 is a prime.

It is not a weakly prime, because it can be changed into another prime (10144432499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072216204 + 5072216205.

It is an arithmetic number, because the mean of its divisors is an integer number (5072216205).

Almost surely, 2^10144432409 is an apocalyptic number.

It is an amenable number.

10144432409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10144432409 is an equidigital number, since it uses as much as digits as its factorization.

10144432409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 10144432409 in words is "ten billion, one hundred forty-four million, four hundred thirty-two thousand, four hundred nine".