999146852351 has 4 divisors (see below), whose sum is σ = 1003034583552. Its totient is φ = 995259121152.

The previous prime is 999146852311. The next prime is 999146852387. The reversal of 999146852351 is 153258641999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153258641999 = 107 ⋅1432323757.

It is a cyclic number.

It is not a de Polignac number, because 999146852351 - 2²² = 999142658047 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 (999146852311) 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, 1943865215 + ... + 1943865728.

It is an arithmetic number, because the mean of its divisors is an integer number (250758645888).

Almost surely, 2^999146852351 is an apocalyptic number.

999146852351 is a deficient number, since it is larger than the sum of its proper divisors (3887731201).

999146852351 is a wasteful number, since it uses less digits than its factorization.

999146852351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887731200.

The product of its digits is 20995200, while the sum is 62.

The spelling of 999146852351 in words is "nine hundred ninety-nine billion, one hundred forty-six million, eight hundred fifty-two thousand, three hundred fifty-one".