30465640253 has 8 divisors (see below), whose sum is σ = 31053629016. Its totient is φ = 29878139200.

The previous prime is 30465640229. The next prime is 30465640267. The reversal of 30465640253 is 35204656403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 854802169 + 29610838084 = 29237^2 + 172078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30465640253 - 2⁶ = 30465640189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30465640553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5483 + ... + 246903.

It is an arithmetic number, because the mean of its divisors is an integer number (3881703627).

Almost surely, 2^30465640253 is an apocalyptic number.

It is an amenable number.

30465640253 is a deficient number, since it is larger than the sum of its proper divisors (587988763).

30465640253 is a wasteful number, since it uses less digits than its factorization.

30465640253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243855.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 30465640253 in words is "thirty billion, four hundred sixty-five million, six hundred forty thousand, two hundred fifty-three".