1601347123489 has 8 divisors (see below), whose sum is σ = 1695569998248. Its totient is φ = 1507127136000.

The previous prime is 1601347123399. The next prime is 1601347123531. The reversal of 1601347123489 is 9843217431061.

It can be written as a sum of positive squares in 4 ways, for example, as 13696723089 + 1587650400400 = 117033^2 + 1260020^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1601347123489 - 2⁷ = 1601347123361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601347133489) 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, 476959 + ... + 1852075.

It is an arithmetic number, because the mean of its divisors is an integer number (211946249781).

Almost surely, 2^{1601347123489} is an apocalyptic number.

It is an amenable number.

1601347123489 is a deficient number, since it is larger than the sum of its proper divisors (94222874759).

1601347123489 is a wasteful number, since it uses less digits than its factorization.

1601347123489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443635.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 1601347123489 in words is "one trillion, six hundred one billion, three hundred forty-seven million, one hundred twenty-three thousand, four hundred eighty-nine".