2503645430 has 48 divisors (see below), whose sum is σ = 5323551984. Its totient is φ = 840378240.

The previous prime is 2503645423. The next prime is 2503645439. The reversal of 2503645430 is 345463052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503645439) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 48749 + ... + 85928.

It is an arithmetic number, because the mean of its divisors is an integer number (110907333).

Almost surely, 2^2503645430 is an apocalyptic number.

2503645430 is an abundant number, since it is smaller than the sum of its proper divisors (2819906554).

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

2503645430 is a wasteful number, since it uses less digits than its factorization.

2503645430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134721 (or 134708 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2503645430 is about 50036.4410205202. The cubic root of 2503645430 is about 1357.8681692082.

The spelling of 2503645430 in words is "two billion, five hundred three million, six hundred forty-five thousand, four hundred thirty".