30051444345253 has 4 divisors (see below), whose sum is σ = 31819176365580. Its totient is φ = 28283712324928.

The previous prime is 30051444345239. The next prime is 30051444345311. The reversal of 30051444345253 is 35254344415003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26526599558404 + 3524844786849 = 5150398^2 + 1877457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30051444345253 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 (30051444345233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883866010138 + ... + 883866010171.

It is an arithmetic number, because the mean of its divisors is an integer number (7954794091395).

Almost surely, 2^{30051444345253} is an apocalyptic number.

It is an amenable number.

30051444345253 is a deficient number, since it is larger than the sum of its proper divisors (1767732020327).

30051444345253 is a wasteful number, since it uses less digits than its factorization.

30051444345253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767732020326.

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 30051444345253 in words is "thirty trillion, fifty-one billion, four hundred forty-four million, three hundred forty-five thousand, two hundred fifty-three".