3645129601 has 2 divisors, whose sum is σ = 3645129602. Its totient is φ = 3645129600.

The previous prime is 3645129569. The next prime is 3645129611. The reversal of 3645129601 is 1069215463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2362057201 + 1283072400 = 48601^2 + 35820^2 .

It is an emirp because it is prime and its reverse (1069215463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645129601 - 2⁵ = 3645129569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3645129611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822564800 + 1822564801.

It is an arithmetic number, because the mean of its divisors is an integer number (1822564801).

Almost surely, 2^3645129601 is an apocalyptic number.

It is an amenable number.

3645129601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645129601 is an equidigital number, since it uses as much as digits as its factorization.

3645129601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3645129601 is about 60374.9087038647. The cubic root of 3645129601 is about 1538.9965916770.

The spelling of 3645129601 in words is "three billion, six hundred forty-five million, one hundred twenty-nine thousand, six hundred one".