4645531530 has 24 divisors (see below), whose sum is σ = 12078382212. Its totient is φ = 1238808384.

The previous prime is 4645531523. The next prime is 4645531549. The reversal of 4645531530 is 351355464.

4645531530 is a `hidden beast` number, since 4 + 64 + 553 + 15 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4591553121 + 53978409 = 67761^2 + 7347^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25808419 + ... + 25808598.

Almost surely, 2^4645531530 is an apocalyptic number.

4645531530 is an abundant number, since it is smaller than the sum of its proper divisors (7432850682).

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

4645531530 is a wasteful number, since it uses less digits than its factorization.

4645531530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51617030 (or 51617027 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 4645531530 is about 68158.1361981092. The cubic root of 4645531530 is about 1668.5727140701.

Adding to 4645531530 its reverse (351355464), we get a palindrome (4996886994).

The spelling of 4645531530 in words is "four billion, six hundred forty-five million, five hundred thirty-one thousand, five hundred thirty".