5634921630 has 64 divisors (see below), whose sum is σ = 14582550528. Its totient is φ = 1385301120.

The previous prime is 5634921601. The next prime is 5634921641. The reversal of 5634921630 is 361294365.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313795 + ... + 331265.

It is an arithmetic number, because the mean of its divisors is an integer number (227852352).

Almost surely, 2^5634921630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5634921630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7291275264).

5634921630 is an abundant number, since it is smaller than the sum of its proper divisors (8947628898).

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

5634921630 is a wasteful number, since it uses less digits than its factorization.

5634921630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18321.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 5634921630 is about 75066.1150586601. The cubic root of 5634921630 is about 1779.4916730100.

The spelling of 5634921630 in words is "five billion, six hundred thirty-four million, nine hundred twenty-one thousand, six hundred thirty".