3630221037 has 16 divisors (see below), whose sum is σ = 5379252480. Its totient is φ = 2419631136.

The previous prime is 3630221033. The next prime is 3630221051. The reversal of 3630221037 is 7301220363.

3630221037 is a `hidden beast` number, since 3 + 630 + 2 + 21 + 0 + 3 + 7 = 666.

3630221037 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3630221037 - 2² = 3630221033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3630221037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630221033) 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, 147993 + ... + 170769.

It is an arithmetic number, because the mean of its divisors is an integer number (336203280).

Almost surely, 2^3630221037 is an apocalyptic number.

It is an amenable number.

3630221037 is a deficient number, since it is larger than the sum of its proper divisors (1749031443).

3630221037 is a wasteful number, since it uses less digits than its factorization.

3630221037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28689 (or 28683 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 3630221037 is about 60251.3156453865. The cubic root of 3630221037 is about 1536.8955615750.

The spelling of 3630221037 in words is "three billion, six hundred thirty million, two hundred twenty-one thousand, thirty-seven".