427233978151 has 2 divisors, whose sum is σ = 427233978152. Its totient is φ = 427233978150.

The previous prime is 427233978121. The next prime is 427233978163. The reversal of 427233978151 is 151879332724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427233978151 - 2²⁵ = 427200423719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427233978121) 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, 213616989075 + 213616989076.

It is an arithmetic number, because the mean of its divisors is an integer number (213616989076).

Almost surely, 2^427233978151 is an apocalyptic number.

427233978151 is a deficient number, since it is larger than the sum of its proper divisors (1).

427233978151 is an equidigital number, since it uses as much as digits as its factorization.

427233978151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The spelling of 427233978151 in words is "four hundred twenty-seven billion, two hundred thirty-three million, nine hundred seventy-eight thousand, one hundred fifty-one".