2721919395 has 16 divisors (see below), whose sum is σ = 4690076832. Its totient is φ = 1340021760.

The previous prime is 2721919379. The next prime is 2721919399. The reversal of 2721919395 is 5939191272.

It is not a de Polignac number, because 2721919395 - 2⁴ = 2721919379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2721919399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6979086 + ... + 6979475.

It is an arithmetic number, because the mean of its divisors is an integer number (293129802).

Almost surely, 2^2721919395 is an apocalyptic number.

2721919395 is a deficient number, since it is larger than the sum of its proper divisors (1968157437).

2721919395 is a wasteful number, since it uses less digits than its factorization.

2721919395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13958582.

The product of its digits is 306180, while the sum is 48.

The square root of 2721919395 is about 52172.0173560502. The cubic root of 2721919395 is about 1396.2346772501.

The spelling of 2721919395 in words is "two billion, seven hundred twenty-one million, nine hundred nineteen thousand, three hundred ninety-five".