1442861604623 has 2 divisors, whose sum is σ = 1442861604624. Its totient is φ = 1442861604622.

The previous prime is 1442861604577. The next prime is 1442861604637. The reversal of 1442861604623 is 3264061682441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442861604623 - 2²⁴ = 1442844827407 is a prime.

It is a super-2 number, since 2×1442861604623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442861804623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721430802311 + 721430802312.

It is an arithmetic number, because the mean of its divisors is an integer number (721430802312).

Almost surely, 2^{1442861604623} is an apocalyptic number.

1442861604623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442861604623 is an equidigital number, since it uses as much as digits as its factorization.

1442861604623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 1442861604623 in words is "one trillion, four hundred forty-two billion, eight hundred sixty-one million, six hundred four thousand, six hundred twenty-three".