30748284453 has 4 divisors (see below), whose sum is σ = 40997712608. Its totient is φ = 20498856300.

The previous prime is 30748284409. The next prime is 30748284481. The reversal of 30748284453 is 35448284703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30748284453 - 2²⁶ = 30681175589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30748284403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124714073 + ... + 5124714078.

It is an arithmetic number, because the mean of its divisors is an integer number (10249428152).

Almost surely, 2^30748284453 is an apocalyptic number.

It is an amenable number.

30748284453 is a deficient number, since it is larger than the sum of its proper divisors (10249428155).

30748284453 is a wasteful number, since it uses less digits than its factorization.

30748284453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249428154.

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 30748284453 in words is "thirty billion, seven hundred forty-eight million, two hundred eighty-four thousand, four hundred fifty-three".