40469700289 has 2 divisors, whose sum is σ = 40469700290. Its totient is φ = 40469700288.

The previous prime is 40469700283. The next prime is 40469700311. The reversal of 40469700289 is 98200796404.

40469700289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35340992064 + 5128708225 = 187992^2 + 71615^2 .

It is a cyclic number.

It is not a de Polignac number, because 40469700289 - 2¹³ = 40469692097 is a prime.

It is not a weakly prime, because it can be changed into another prime (40469700283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20234850144 + 20234850145.

It is an arithmetic number, because the mean of its divisors is an integer number (20234850145).

Almost surely, 2^40469700289 is an apocalyptic number.

It is an amenable number.

40469700289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40469700289 is an equidigital number, since it uses as much as digits as its factorization.

40469700289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 40469700289 in words is "forty billion, four hundred sixty-nine million, seven hundred thousand, two hundred eighty-nine".