3645247003 has 16 divisors (see below), whose sum is σ = 3827450880. Its totient is φ = 3467599200.

The previous prime is 3645246989. The next prime is 3645247019. The reversal of 3645247003 is 3007425463.

It is a cyclic number.

It is not a de Polignac number, because 3645247003 - 2⁵ = 3645246971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3645247003.

It is not an unprimeable number, because it can be changed into a prime (3645241003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430333 + ... + 438721.

It is an arithmetic number, because the mean of its divisors is an integer number (239215680).

Almost surely, 2^3645247003 is an apocalyptic number.

3645247003 is a deficient number, since it is larger than the sum of its proper divisors (182203877).

3645247003 is a wasteful number, since it uses less digits than its factorization.

3645247003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 3645247003 is about 60375.8809707983. The cubic root of 3645247003 is about 1539.0131141200.

The spelling of 3645247003 in words is "three billion, six hundred forty-five million, two hundred forty-seven thousand, three".