3645536434 has 4 divisors (see below), whose sum is σ = 5468304654. Its totient is φ = 1822768216.

The previous prime is 3645536429. The next prime is 3645536483. The reversal of 3645536434 is 4346355463.

3645536434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4346355463 = 1867 ⋅2327989.

It can be written as a sum of positive squares in only one way, i.e., 2611721025 + 1033815409 = 51105^2 + 32153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911384107 + ... + 911384110.

Almost surely, 2^3645536434 is an apocalyptic number.

3645536434 is a deficient number, since it is larger than the sum of its proper divisors (1822768220).

3645536434 is a wasteful number, since it uses less digits than its factorization.

3645536434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822768219.

The product of its digits is 1555200, while the sum is 43.

The square root of 3645536434 is about 60378.2778323463. The cubic root of 3645536434 is about 1539.0538453622.

The spelling of 3645536434 in words is "three billion, six hundred forty-five million, five hundred thirty-six thousand, four hundred thirty-four".