30453155316421 has 4 divisors (see below), whose sum is σ = 30460285537344. Its totient is φ = 30446025095500.

The previous prime is 30453155316401. The next prime is 30453155316433. The reversal of 30453155316421 is 12461355135403.

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 not a de Polignac number, because 30453155316421 - 2³³ = 30444565381829 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 (30453155316401) 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, 3565104055 + ... + 3565112596.

It is an arithmetic number, because the mean of its divisors is an integer number (7615071384336).

Almost surely, 2^{30453155316421} is an apocalyptic number.

It is an amenable number.

30453155316421 is a deficient number, since it is larger than the sum of its proper divisors (7130220923).

30453155316421 is an equidigital number, since it uses as much as digits as its factorization.

30453155316421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130220922.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 30453155316421 in words is "thirty trillion, four hundred fifty-three billion, one hundred fifty-five million, three hundred sixteen thousand, four hundred twenty-one".