5128529634 has 32 divisors (see below), whose sum is σ = 11497602240. Its totient is φ = 1694379456.

The previous prime is 5128529617. The next prime is 5128529641. The reversal of 5128529634 is 4369258215.

5128529634 is a `hidden beast` number, since 5 + 1 + 2 + 8 + 5 + 2 + 9 + 634 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5128529634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414132 + ... + 426335.

It is an arithmetic number, because the mean of its divisors is an integer number (359300070).

Almost surely, 2^5128529634 is an apocalyptic number.

5128529634 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5128529634 is an abundant number, since it is smaller than the sum of its proper divisors (6369072606).

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

5128529634 is a wasteful number, since it uses less digits than its factorization.

5128529634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840591 (or 840585 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 5128529634 is about 71613.7531065088. The cubic root of 5128529634 is about 1724.5043324450.

The spelling of 5128529634 in words is "five billion, one hundred twenty-eight million, five hundred twenty-nine thousand, six hundred thirty-four".