2721195874 has 4 divisors (see below), whose sum is σ = 4081793814. Its totient is φ = 1360597936.

The previous prime is 2721195863. The next prime is 2721195877. The reversal of 2721195874 is 4785911272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2721187225 + 8649 = 52165^2 + 93^2 .

It is not an unprimeable number, because it can be changed into a prime (2721195877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680298967 + ... + 680298970.

Almost surely, 2^2721195874 is an apocalyptic number.

2721195874 is a deficient number, since it is larger than the sum of its proper divisors (1360597940).

2721195874 is a wasteful number, since it uses less digits than its factorization.

2721195874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360597939.

The product of its digits is 282240, while the sum is 46.

The square root of 2721195874 is about 52165.0829003463. The cubic root of 2721195874 is about 1396.1109539401.

The spelling of 2721195874 in words is "two billion, seven hundred twenty-one million, one hundred ninety-five thousand, eight hundred seventy-four".