634065615145004 has 144 divisors (see below), whose sum is σ = 1375072139750400. Its totient is φ = 254351911048704.

The previous prime is 634065615145003. The next prime is 634065615145057. The reversal of 634065615145004 is 400541516560436.

It is not an unprimeable number, because it can be changed into a prime (634065615145003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164177837 + ... + 167995515.

It is an arithmetic number, because the mean of its divisors is an integer number (9549112081600).

Almost surely, 2^{634065615145004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634065615145004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687536069875200).

634065615145004 is an abundant number, since it is smaller than the sum of its proper divisors (741006524605396).

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

634065615145004 is a wasteful number, since it uses less digits than its factorization.

634065615145004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818252 (or 3818243 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 634065615145004 in words is "six hundred thirty-four trillion, sixty-five billion, six hundred fifteen million, one hundred forty-five thousand, four".