3634522145 has 4 divisors (see below), whose sum is σ = 4361426580. Its totient is φ = 2907617712.

The previous prime is 3634522139. The next prime is 3634522201. The reversal of 3634522145 is 5412254363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2493703969 + 1140818176 = 49937^2 + 33776^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634522145 - 2⁶ = 3634522081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363452210 + ... + 363452219.

It is an arithmetic number, because the mean of its divisors is an integer number (1090356645).

Almost surely, 2^3634522145 is an apocalyptic number.

It is an amenable number.

3634522145 is a deficient number, since it is larger than the sum of its proper divisors (726904435).

3634522145 is an equidigital number, since it uses as much as digits as its factorization.

3634522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726904434.

The product of its digits is 86400, while the sum is 35.

The square root of 3634522145 is about 60286.9981422197. The cubic root of 3634522145 is about 1537.5022964251.

The spelling of 3634522145 in words is "three billion, six hundred thirty-four million, five hundred twenty-two thousand, one hundred forty-five".