3645247033 has 8 divisors (see below), whose sum is σ = 3857195520. Its totient is φ = 3435307920.

The previous prime is 3645247019. The next prime is 3645247057. The reversal of 3645247033 is 3307425463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3645247033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645246983 and 3645247001.

It is not an unprimeable number, because it can be changed into a prime (3645242033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498610 + ... + 505867.

It is an arithmetic number, because the mean of its divisors is an integer number (482149440).

Almost surely, 2^3645247033 is an apocalyptic number.

It is an amenable number.

3645247033 is a deficient number, since it is larger than the sum of its proper divisors (211948487).

3645247033 is a wasteful number, since it uses less digits than its factorization.

3645247033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004687.

The product of its (nonzero) digits is 181440, while the sum is 37.

The square root of 3645247033 is about 60375.8812192418. The cubic root of 3645247033 is about 1539.0131183420.

The spelling of 3645247033 in words is "three billion, six hundred forty-five million, two hundred forty-seven thousand, thirty-three".