20153460179 has 2 divisors, whose sum is σ = 20153460180. Its totient is φ = 20153460178.

The previous prime is 20153460137. The next prime is 20153460191. The reversal of 20153460179 is 97106435102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20153460179 - 2²⁰ = 20152411603 is a prime.

It is not a weakly prime, because it can be changed into another prime (20153460199) 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, 10076730089 + 10076730090.

It is an arithmetic number, because the mean of its divisors is an integer number (10076730090).

Almost surely, 2^20153460179 is an apocalyptic number.

20153460179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153460179 is an equidigital number, since it uses as much as digits as its factorization.

20153460179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 20153460179 in words is "twenty billion, one hundred fifty-three million, four hundred sixty thousand, one hundred seventy-nine".