630585122251 has 8 divisors (see below), whose sum is σ = 720825517280. Its totient is φ = 540383928768.

The previous prime is 630585122249. The next prime is 630585122261. The reversal of 630585122251 is 152221585036.

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 630585122251 - 2¹ = 630585122249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630585122231) 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, 9765906 + ... + 9830263.

It is an arithmetic number, because the mean of its divisors is an integer number (90103189660).

Almost surely, 2^630585122251 is an apocalyptic number.

630585122251 is a deficient number, since it is larger than the sum of its proper divisors (90240395029).

630585122251 is a wasteful number, since it uses less digits than its factorization.

630585122251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600773.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 630585122251 in words is "six hundred thirty billion, five hundred eighty-five million, one hundred twenty-two thousand, two hundred fifty-one".