1601507930873 has 2 divisors, whose sum is σ = 1601507930874. Its totient is φ = 1601507930872.

The previous prime is 1601507930821. The next prime is 1601507930887. The reversal of 1601507930873 is 3780397051061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136202501184 + 465305429689 = 1065928^2 + 682133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601507930873 - 2¹⁶ = 1601507865337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601507933873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800753965436 + 800753965437.

It is an arithmetic number, because the mean of its divisors is an integer number (800753965437).

Almost surely, 2^{1601507930873} is an apocalyptic number.

It is an amenable number.

1601507930873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601507930873 is an equidigital number, since it uses as much as digits as its factorization.

1601507930873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 1601507930873 in words is "one trillion, six hundred one billion, five hundred seven million, nine hundred thirty thousand, eight hundred seventy-three".