1494071071684 has 27 divisors (see below), whose sum is σ = 2621526037767. Its totient is φ = 745068819744.

The previous prime is 1494071071673. The next prime is 1494071071709. The reversal of 1494071071684 is 4861701704941.

The square root of 1494071071684 is 1222322.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 152551174084 + 1341519897600 = 390578^2 + 1158240^2 .

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 1498566274 + ... + 1498567270.

Almost surely, 2^{1494071071684} is an apocalyptic number.

1494071071684 is the 1222322-nd square number.

It is an amenable number.

1494071071684 is a deficient number, since it is larger than the sum of its proper divisors (1127454966083).

1494071071684 is an frugal number, since it uses more digits than its factorization.

1494071071684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1494071071684 in words is "one trillion, four hundred ninety-four billion, seventy-one million, seventy-one thousand, six hundred eighty-four".