1442642939401 has 4 divisors (see below), whose sum is σ = 1452196866304. Its totient is φ = 1433089012500.

The previous prime is 1442642939389. The next prime is 1442642939407. The reversal of 1442642939401 is 1049392462441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1442642939401 - 2¹⁷ = 1442642808329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442642939407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4776963225 + ... + 4776963526.

It is an arithmetic number, because the mean of its divisors is an integer number (363049216576).

Almost surely, 2^{1442642939401} is an apocalyptic number.

It is an amenable number.

1442642939401 is a deficient number, since it is larger than the sum of its proper divisors (9553926903).

1442642939401 is an equidigital number, since it uses as much as digits as its factorization.

1442642939401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553926902.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 1442642939401 in words is "one trillion, four hundred forty-two billion, six hundred forty-two million, nine hundred thirty-nine thousand, four hundred one".