1489474939647 has 16 divisors (see below), whose sum is σ = 1987597703168. Its totient is φ = 992167937280.

The previous prime is 1489474939643. The next prime is 1489474939649. The reversal of 1489474939647 is 7469394749841.

It is not a de Polignac number, because 1489474939647 - 2² = 1489474939643 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 (1489474939643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36287778 + ... + 36328800.

It is an arithmetic number, because the mean of its divisors is an integer number (124224856448).

Almost surely, 2^{1489474939647} is an apocalyptic number.

1489474939647 is a deficient number, since it is larger than the sum of its proper divisors (498122763521).

1489474939647 is a wasteful number, since it uses less digits than its factorization.

1489474939647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50670.

The product of its digits is 1316818944, while the sum is 75.

The spelling of 1489474939647 in words is "one trillion, four hundred eighty-nine billion, four hundred seventy-four million, nine hundred thirty-nine thousand, six hundred forty-seven".