1442500069 has 2 divisors, whose sum is σ = 1442500070. Its totient is φ = 1442500068.

The previous prime is 1442500067. The next prime is 1442500139. The reversal of 1442500069 is 9600052441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116228100 + 326271969 = 33410^2 + 18063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442500069 - 2¹ = 1442500067 is a prime.

It is a super-2 number, since 2×1442500069² = 4161612898130009522, which contains 22 as substring.

Together with 1442500067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1442500069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442500061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721250034 + 721250035.

It is an arithmetic number, because the mean of its divisors is an integer number (721250035).

Almost surely, 2^1442500069 is an apocalyptic number.

It is an amenable number.

1442500069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442500069 is an equidigital number, since it uses as much as digits as its factorization.

1442500069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1442500069 is about 37980.2589380325. The cubic root of 1442500069 is about 1129.8963720983.

The spelling of 1442500069 in words is "one billion, four hundred forty-two million, five hundred thousand, sixty-nine".