30500442452453 has 4 divisors (see below), whose sum is σ = 30628059366720. Its totient is φ = 30372825538188.

The previous prime is 30500442452443. The next prime is 30500442452489. The reversal of 30500442452453 is 35425424400503.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30500442452453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30500442452453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500442452413) 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, 63808456775 + ... + 63808457252.

It is an arithmetic number, because the mean of its divisors is an integer number (7657014841680).

Almost surely, 2^{30500442452453} is an apocalyptic number.

It is an amenable number.

30500442452453 is a deficient number, since it is larger than the sum of its proper divisors (127616914267).

30500442452453 is a wasteful number, since it uses less digits than its factorization.

30500442452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127616914266.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 30500442452453 its reverse (35425424400503), we get a palindrome (65925866852956).

The spelling of 30500442452453 in words is "thirty trillion, five hundred billion, four hundred forty-two million, four hundred fifty-two thousand, four hundred fifty-three".