453378157853 has 8 divisors (see below), whose sum is σ = 455298236280. Its totient is φ = 451461160960.

The previous prime is 453378157829. The next prime is 453378157927. The reversal of 453378157853 is 358751873354.

It can be written as a sum of positive squares in 4 ways, for example, as 93423756409 + 359954401444 = 305653^2 + 599962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 453378157853 - 2⁸ = 453378157597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 453378157792 and 453378157801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453378157553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475268 + ... + 1064253.

It is an arithmetic number, because the mean of its divisors is an integer number (56912279535).

Almost surely, 2^453378157853 is an apocalyptic number.

It is an amenable number.

453378157853 is a deficient number, since it is larger than the sum of its proper divisors (1920078427).

453378157853 is a wasteful number, since it uses less digits than its factorization.

453378157853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540767.

The product of its digits is 42336000, while the sum is 59.

The spelling of 453378157853 in words is "four hundred fifty-three billion, three hundred seventy-eight million, one hundred fifty-seven thousand, eight hundred fifty-three".