262428621667 has 2 divisors, whose sum is σ = 262428621668. Its totient is φ = 262428621666.

The previous prime is 262428621659. The next prime is 262428621683. The reversal of 262428621667 is 766126824262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 262428621667 - 2³ = 262428621659 is a prime.

It is not a weakly prime, because it can be changed into another prime (262428681667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131214310833 + 131214310834.

It is an arithmetic number, because the mean of its divisors is an integer number (131214310834).

Almost surely, 2^262428621667 is an apocalyptic number.

262428621667 is a deficient number, since it is larger than the sum of its proper divisors (1).

262428621667 is an equidigital number, since it uses as much as digits as its factorization.

262428621667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 52.

The spelling of 262428621667 in words is "two hundred sixty-two billion, four hundred twenty-eight million, six hundred twenty-one thousand, six hundred sixty-seven".