1494082742947 has 4 divisors (see below), whose sum is σ = 1508046133176. Its totient is φ = 1480119352720.

The previous prime is 1494082742923. The next prime is 1494082742959. The reversal of 1494082742947 is 7492472804941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494082742947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494082742987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6981694954 + ... + 6981695167.

It is an arithmetic number, because the mean of its divisors is an integer number (377011533294).

Almost surely, 2^{1494082742947} is an apocalyptic number.

1494082742947 is a deficient number, since it is larger than the sum of its proper divisors (13963390229).

1494082742947 is a wasteful number, since it uses less digits than its factorization.

1494082742947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963390228.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 1494082742947 in words is "one trillion, four hundred ninety-four billion, eighty-two million, seven hundred forty-two thousand, nine hundred forty-seven".