630220902293 has 8 divisors (see below), whose sum is σ = 631638567000. Its totient is φ = 628804795648.

The previous prime is 630220902281. The next prime is 630220902301. The reversal of 630220902293 is 392209022036.

It can be written as a sum of positive squares in 4 ways, for example, as 260159163364 + 370061738929 = 510058^2 + 608327^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 630220902293 - 2²⁶ = 630153793429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630220902793) 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, 422273 + ... + 1199481.

It is an arithmetic number, because the mean of its divisors is an integer number (78954820875).

Almost surely, 2^630220902293 is an apocalyptic number.

It is an amenable number.

630220902293 is a deficient number, since it is larger than the sum of its proper divisors (1417664707).

630220902293 is a wasteful number, since it uses less digits than its factorization.

630220902293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779031.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 630220902293 in words is "six hundred thirty billion, two hundred twenty million, nine hundred two thousand, two hundred ninety-three".