10040432989 has 2 divisors, whose sum is σ = 10040432990. Its totient is φ = 10040432988.

The previous prime is 10040432953. The next prime is 10040433089. The reversal of 10040432989 is 98923404001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7931327364 + 2109105625 = 89058^2 + 45925^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040432989 - 2²¹ = 10038335837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10040430989) 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, 5020216494 + 5020216495.

It is an arithmetic number, because the mean of its divisors is an integer number (5020216495).

Almost surely, 2^10040432989 is an apocalyptic number.

It is an amenable number.

10040432989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040432989 is an equidigital number, since it uses as much as digits as its factorization.

10040432989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 10040432989 in words is "ten billion, forty million, four hundred thirty-two thousand, nine hundred eighty-nine".