2999849126825 has 6 divisors (see below), whose sum is σ = 3719812917294. Its totient is φ = 2399879301440.

The previous prime is 2999849126821. The next prime is 2999849126843. The reversal of 2999849126825 is 5286219489992.

It can be written as a sum of positive squares in 3 ways, for example, as 359315126041 + 2640534000784 = 599429^2 + 1624972^2 .

It is not a de Polignac number, because 2999849126825 - 2² = 2999849126821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2999849126821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59996982512 + ... + 59996982561.

It is an arithmetic number, because the mean of its divisors is an integer number (619968819549).

Almost surely, 2^{2999849126825} is an apocalyptic number.

2999849126825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2999849126825 is a deficient number, since it is larger than the sum of its proper divisors (719963790469).

2999849126825 is a wasteful number, since it uses less digits than its factorization.

2999849126825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119993965083 (or 119993965078 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 74.

The spelling of 2999849126825 in words is "two trillion, nine hundred ninety-nine billion, eight hundred forty-nine million, one hundred twenty-six thousand, eight hundred twenty-five".