1601429173 has 2 divisors, whose sum is σ = 1601429174. Its totient is φ = 1601429172.

The previous prime is 1601429161. The next prime is 1601429201. The reversal of 1601429173 is 3719241061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1563569764 + 37859409 = 39542^2 + 6153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601429173 - 2¹³ = 1601420981 is a prime.

It is a super-2 number, since 2×1601429173² = 5129150792270927858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601429113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800714586 + 800714587.

It is an arithmetic number, because the mean of its divisors is an integer number (800714587).

Almost surely, 2^1601429173 is an apocalyptic number.

It is an amenable number.

1601429173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601429173 is an equidigital number, since it uses as much as digits as its factorization.

1601429173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1601429173 is about 40017.8606749536. The cubic root of 1601429173 is about 1169.9552355825.

The spelling of 1601429173 in words is "one billion, six hundred one million, four hundred twenty-nine thousand, one hundred seventy-three".