1442881607 has 2 divisors, whose sum is σ = 1442881608. Its totient is φ = 1442881606.

The previous prime is 1442881591. The next prime is 1442881633. The reversal of 1442881607 is 7061882441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442881607 - 2⁴ = 1442881591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442881507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721440803 + 721440804.

It is an arithmetic number, because the mean of its divisors is an integer number (721440804).

Almost surely, 2^1442881607 is an apocalyptic number.

1442881607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442881607 is an equidigital number, since it uses as much as digits as its factorization.

1442881607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1442881607 is about 37985.2814521625. The cubic root of 1442881607 is about 1129.9959816601.

The spelling of 1442881607 in words is "one billion, four hundred forty-two million, eight hundred eighty-one thousand, six hundred seven".