1601457442829 has 2 divisors, whose sum is σ = 1601457442830. Its totient is φ = 1601457442828.

The previous prime is 1601457442807. The next prime is 1601457442909. The reversal of 1601457442829 is 9282447541061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354716749929 + 246740692900 = 1163923^2 + 496730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601457442829 - 2⁴⁰ = 501945815053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601457412829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800728721414 + 800728721415.

It is an arithmetic number, because the mean of its divisors is an integer number (800728721415).

Almost surely, 2^{1601457442829} is an apocalyptic number.

It is an amenable number.

1601457442829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601457442829 is an equidigital number, since it uses as much as digits as its factorization.

1601457442829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 1601457442829 in words is "one trillion, six hundred one billion, four hundred fifty-seven million, four hundred forty-two thousand, eight hundred twenty-nine".