20069626459 has 2 divisors, whose sum is σ = 20069626460. Its totient is φ = 20069626458.

The previous prime is 20069626429. The next prime is 20069626483. The reversal of 20069626459 is 95462696002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20069626459 - 2⁵ = 20069626427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20069626429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034813229 + 10034813230.

It is an arithmetic number, because the mean of its divisors is an integer number (10034813230).

Almost surely, 2^20069626459 is an apocalyptic number.

20069626459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20069626459 is an equidigital number, since it uses as much as digits as its factorization.

20069626459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 20069626459 in words is "twenty billion, sixty-nine million, six hundred twenty-six thousand, four hundred fifty-nine".