427659994838851 has 2 divisors, whose sum is σ = 427659994838852. Its totient is φ = 427659994838850.

The previous prime is 427659994838809. The next prime is 427659994839013. The reversal of 427659994838851 is 158838499956724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427659994838851 - 2⁹ = 427659994838339 is a prime.

It is not a weakly prime, because it can be changed into another prime (427659994835851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213829997419425 + 213829997419426.

It is an arithmetic number, because the mean of its divisors is an integer number (213829997419426).

Almost surely, 2^{427659994838851} is an apocalyptic number.

427659994838851 is a deficient number, since it is larger than the sum of its proper divisors (1).

427659994838851 is an equidigital number, since it uses as much as digits as its factorization.

427659994838851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37623398400, while the sum is 88.

The spelling of 427659994838851 in words is "four hundred twenty-seven trillion, six hundred fifty-nine billion, nine hundred ninety-four million, eight hundred thirty-eight thousand, eight hundred fifty-one".