1442258353493 has 4 divisors (see below), whose sum is σ = 1455021701868. Its totient is φ = 1429495005120.

The previous prime is 1442258353409. The next prime is 1442258353507. The reversal of 1442258353493 is 3943538522441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599227713604 + 843030639889 = 774098^2 + 918167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442258353493 - 2¹² = 1442258349397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442258358493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6381674018 + ... + 6381674243.

It is an arithmetic number, because the mean of its divisors is an integer number (363755425467).

Almost surely, 2^{1442258353493} is an apocalyptic number.

It is an amenable number.

1442258353493 is a deficient number, since it is larger than the sum of its proper divisors (12763348375).

1442258353493 is a wasteful number, since it uses less digits than its factorization.

1442258353493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763348374.

The product of its digits is 12441600, while the sum is 53.

The spelling of 1442258353493 in words is "one trillion, four hundred forty-two billion, two hundred fifty-eight million, three hundred fifty-three thousand, four hundred ninety-three".