2874928261849 has 4 divisors (see below), whose sum is σ = 3285632299264. Its totient is φ = 2464224224436.

The previous prime is 2874928261769. The next prime is 2874928261859. The reversal of 2874928261849 is 9481628294782.

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 2874928261849 - 2⁷ = 2874928261721 is a prime.

It is a super-2 number, since 2×2874928261849² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2874928261859) 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, 205352018697 + ... + 205352018710.

It is an arithmetic number, because the mean of its divisors is an integer number (821408074816).

Almost surely, 2^{2874928261849} is an apocalyptic number.

It is an amenable number.

2874928261849 is a deficient number, since it is larger than the sum of its proper divisors (410704037415).

2874928261849 is an equidigital number, since it uses as much as digits as its factorization.

2874928261849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410704037414.

The product of its digits is 222953472, while the sum is 70.

The spelling of 2874928261849 in words is "two trillion, eight hundred seventy-four billion, nine hundred twenty-eight million, two hundred sixty-one thousand, eight hundred forty-nine".