764142443 has 2 divisors, whose sum is σ = 764142444. Its totient is φ = 764142442.

The previous prime is 764142439. The next prime is 764142479. The reversal of 764142443 is 344241467.

It is a weak prime.

It is an emirp because it is prime and its reverse (344241467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764142443 - 2² = 764142439 is a prime.

It is not a weakly prime, because it can be changed into another prime (764142413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382071221 + 382071222.

It is an arithmetic number, because the mean of its divisors is an integer number (382071222).

Almost surely, 2^764142443 is an apocalyptic number.

764142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

764142443 is an equidigital number, since it uses as much as digits as its factorization.

764142443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 764142443 is about 27643.1265055167. The cubic root of 764142443 is about 914.2355556898.

It can be divided in two parts, 7641424 and 43, that added together give a palindrome (7641467).

The spelling of 764142443 in words is "seven hundred sixty-four million, one hundred forty-two thousand, four hundred forty-three".