421424140502527 has 2 divisors, whose sum is σ = 421424140502528. Its totient is φ = 421424140502526.

The previous prime is 421424140502489. The next prime is 421424140502539. The reversal of 421424140502527 is 725205041424124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421424140502527 - 2⁷ = 421424140502399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421424140512527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210712070251263 + 210712070251264.

It is an arithmetic number, because the mean of its divisors is an integer number (210712070251264).

Almost surely, 2^{421424140502527} is an apocalyptic number.

421424140502527 is a deficient number, since it is larger than the sum of its proper divisors (1).

421424140502527 is an equidigital number, since it uses as much as digits as its factorization.

421424140502527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 43.

The spelling of 421424140502527 in words is "four hundred twenty-one trillion, four hundred twenty-four billion, one hundred forty million, five hundred two thousand, five hundred twenty-seven".