1442681463 has 8 divisors (see below), whose sum is σ = 2007209088. Its totient is φ = 919970744.

The previous prime is 1442681431. The next prime is 1442681479. The reversal of 1442681463 is 3641862441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442681463 - 2⁵ = 1442681431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442681413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454145 + ... + 10454282.

It is an arithmetic number, because the mean of its divisors is an integer number (250901136).

Almost surely, 2^1442681463 is an apocalyptic number.

1442681463 is a deficient number, since it is larger than the sum of its proper divisors (564527625).

1442681463 is a wasteful number, since it uses less digits than its factorization.

1442681463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908453.

The product of its digits is 110592, while the sum is 39.

The square root of 1442681463 is about 37982.6468666943. The cubic root of 1442681463 is about 1129.9437315026.

The spelling of 1442681463 in words is "one billion, four hundred forty-two million, six hundred eighty-one thousand, four hundred sixty-three".