30453856953 has 36 divisors (see below), whose sum is σ = 44758476720. Its totient is φ = 18404934912.

The previous prime is 30453856949. The next prime is 30453856957. The reversal of 30453856953 is 35965835403.

It is an interprime number because it is at equal distance from previous prime (30453856949) and next prime (30453856957).

It is not a de Polignac number, because 30453856953 - 2² = 30453856949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30453856896 and 30453856905.

It is not an unprimeable number, because it can be changed into a prime (30453856957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30181713 + ... + 30182721.

It is an arithmetic number, because the mean of its divisors is an integer number (1243291020).

Almost surely, 2^30453856953 is an apocalyptic number.

It is an amenable number.

30453856953 is a deficient number, since it is larger than the sum of its proper divisors (14304619767).

30453856953 is an equidigital number, since it uses as much as digits as its factorization.

30453856953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 30453856953 in words is "thirty billion, four hundred fifty-three million, eight hundred fifty-six thousand, nine hundred fifty-three".