999146852353 has 4 divisors (see below), whose sum is σ = 1076004302548. Its totient is φ = 922289402160.

The previous prime is 999146852311. The next prime is 999146852387. The reversal of 999146852353 is 353258641999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353258641999 = 41 ⋅8616064439.

It can be written as a sum of positive squares in 2 ways, for example, as 87032080144 + 912114772209 = 295012^2 + 955047^2 .

It is a cyclic number.

It is not a de Polignac number, because 999146852353 - 2¹³ = 999146844161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999146852153) 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, 38428725078 + ... + 38428725103.

It is an arithmetic number, because the mean of its divisors is an integer number (269001075637).

Almost surely, 2^999146852353 is an apocalyptic number.

It is an amenable number.

999146852353 is a deficient number, since it is larger than the sum of its proper divisors (76857450195).

999146852353 is a wasteful number, since it uses less digits than its factorization.

999146852353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76857450194.

The product of its digits is 62985600, while the sum is 64.

The spelling of 999146852353 in words is "nine hundred ninety-nine billion, one hundred forty-six million, eight hundred fifty-two thousand, three hundred fifty-three".