1428243932067 has 4 divisors (see below), whose sum is σ = 1904325242760. Its totient is φ = 952162621376.

The previous prime is 1428243932057. The next prime is 1428243932123. The reversal of 1428243932067 is 7602393428241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1428243932067 - 2⁸ = 1428243931811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428243932047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238040655342 + ... + 238040655347.

It is an arithmetic number, because the mean of its divisors is an integer number (476081310690).

Almost surely, 2^{1428243932067} is an apocalyptic number.

1428243932067 is a deficient number, since it is larger than the sum of its proper divisors (476081310693).

1428243932067 is an equidigital number, since it uses as much as digits as its factorization.

1428243932067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476081310692.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1428243932067 in words is "one trillion, four hundred twenty-eight billion, two hundred forty-three million, nine hundred thirty-two thousand, sixty-seven".