421512044179 has 2 divisors, whose sum is σ = 421512044180. Its totient is φ = 421512044178.

The previous prime is 421512044119. The next prime is 421512044203. The reversal of 421512044179 is 971440215124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421512044179 - 2¹⁵ = 421512011411 is a prime.

It is not a weakly prime, because it can be changed into another prime (421512044119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210756022089 + 210756022090.

It is an arithmetic number, because the mean of its divisors is an integer number (210756022090).

Almost surely, 2^421512044179 is an apocalyptic number.

421512044179 is a deficient number, since it is larger than the sum of its proper divisors (1).

421512044179 is an equidigital number, since it uses as much as digits as its factorization.

421512044179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 421512044179 in words is "four hundred twenty-one billion, five hundred twelve million, forty-four thousand, one hundred seventy-nine".