453500343679321 has 4 divisors (see below), whose sum is σ = 473217749926272. Its totient is φ = 433782937432372.

The previous prime is 453500343679277. The next prime is 453500343679349. The reversal of 453500343679321 is 123976343005354.

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 453500343679321 - 2¹¹ = 453500343677273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453500343679391) 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, 9858703123441 + ... + 9858703123486.

It is an arithmetic number, because the mean of its divisors is an integer number (118304437481568).

Almost surely, 2^{453500343679321} is an apocalyptic number.

It is an amenable number.

453500343679321 is a deficient number, since it is larger than the sum of its proper divisors (19717406246951).

453500343679321 is a wasteful number, since it uses less digits than its factorization.

453500343679321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19717406246950.

The product of its (nonzero) digits is 24494400, while the sum is 55.

The spelling of 453500343679321 in words is "four hundred fifty-three trillion, five hundred billion, three hundred forty-three million, six hundred seventy-nine thousand, three hundred twenty-one".