3645362451 has 4 divisors (see below), whose sum is σ = 4860483272. Its totient is φ = 2430241632.

The previous prime is 3645362449. The next prime is 3645362489. The reversal of 3645362451 is 1542635463.

3645362451 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.

It is not a de Polignac number, because 3645362451 - 2¹ = 3645362449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645362051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607560406 + ... + 607560411.

It is an arithmetic number, because the mean of its divisors is an integer number (1215120818).

Almost surely, 2^3645362451 is an apocalyptic number.

3645362451 is a deficient number, since it is larger than the sum of its proper divisors (1215120821).

3645362451 is a wasteful number, since it uses less digits than its factorization.

3645362451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215120820.

The product of its digits is 259200, while the sum is 39.

The square root of 3645362451 is about 60376.8370403750. The cubic root of 3645362451 is about 1539.0293612230.

The spelling of 3645362451 in words is "three billion, six hundred forty-five million, three hundred sixty-two thousand, four hundred fifty-one".