12578901289 has 2 divisors, whose sum is σ = 12578901290. Its totient is φ = 12578901288.

The previous prime is 12578901287. The next prime is 12578901299. The reversal of 12578901289 is 98210987521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10610648064 + 1968253225 = 103008^2 + 44365^2 .

It is a cyclic number.

It is not a de Polignac number, because 12578901289 - 2¹ = 12578901287 is a prime.

Together with 12578901287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12578901287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289450644 + 6289450645.

It is an arithmetic number, because the mean of its divisors is an integer number (6289450645).

Almost surely, 2^12578901289 is an apocalyptic number.

It is an amenable number.

12578901289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12578901289 is an equidigital number, since it uses as much as digits as its factorization.

12578901289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 12578901289 in words is "twelve billion, five hundred seventy-eight million, nine hundred one thousand, two hundred eighty-nine".