2645434530 has 24 divisors (see below), whose sum is σ = 6878130012. Its totient is φ = 705449184.

The previous prime is 2645434489. The next prime is 2645434573. The reversal of 2645434530 is 354345462.

2645434530 is a `hidden beast` number, since 2 + 64 + 543 + 4 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2296230561 + 349203969 = 47919^2 + 18687^2 .

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, 14696769 + ... + 14696948.

Almost surely, 2^2645434530 is an apocalyptic number.

2645434530 is an abundant number, since it is smaller than the sum of its proper divisors (4232695482).

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

2645434530 is a wasteful number, since it uses less digits than its factorization.

2645434530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29393730 (or 29393727 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 2645434530 is about 51433.7878247364. The cubic root of 2645434530 is about 1383.0323521244.

Adding to 2645434530 its reverse (354345462), we get a palindrome (2999779992).

The spelling of 2645434530 in words is "two billion, six hundred forty-five million, four hundred thirty-four thousand, five hundred thirty".