1485731869439 has 8 divisors (see below), whose sum is σ = 1563945143040. Its totient is φ = 1407520281816.

The previous prime is 1485731869421. The next prime is 1485731869451. The reversal of 1485731869439 is 9349681375841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485731869439 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 (1485731869409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647914 + ... + 2384760.

It is an arithmetic number, because the mean of its divisors is an integer number (195493142880).

Almost surely, 2^{1485731869439} is an apocalyptic number.

1485731869439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1485731869439 is a deficient number, since it is larger than the sum of its proper divisors (78213273601).

1485731869439 is a wasteful number, since it uses less digits than its factorization.

1485731869439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842989.

The product of its digits is 156764160, while the sum is 68.

The spelling of 1485731869439 in words is "one trillion, four hundred eighty-five billion, seven hundred thirty-one million, eight hundred sixty-nine thousand, four hundred thirty-nine".