630847742100 has 144 divisors (see below), whose sum is σ = 1908597841920. Its totient is φ = 160575113600.

The previous prime is 630847742069. The next prime is 630847742171. The reversal of 630847742100 is 1247748036.

It is a super-2 number, since 2×630847742100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3209665 + ... + 3400535.

It is an arithmetic number, because the mean of its divisors is an integer number (13254151680).

Almost surely, 2^630847742100 is an apocalyptic number.

630847742100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630847742100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954298920960).

630847742100 is an abundant number, since it is smaller than the sum of its proper divisors (1277750099820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630847742100 is a wasteful number, since it uses less digits than its factorization.

630847742100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191390 (or 191383 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 630847742100 in words is "six hundred thirty billion, eight hundred forty-seven million, seven hundred forty-two thousand, one hundred".