2549691214 has 16 divisors (see below), whose sum is σ = 4387154400. Its totient is φ = 1088661024.

The previous prime is 2549691191. The next prime is 2549691227. The reversal of 2549691214 is 4121969452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334749 + ... + 342280.

It is an arithmetic number, because the mean of its divisors is an integer number (274197150).

Almost surely, 2^2549691214 is an apocalyptic number.

2549691214 is a deficient number, since it is larger than the sum of its proper divisors (1837463186).

2549691214 is a wasteful number, since it uses less digits than its factorization.

2549691214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677307.

The product of its digits is 155520, while the sum is 43.

The square root of 2549691214 is about 50494.4671622545. The cubic root of 2549691214 is about 1366.1420603871.

The spelling of 2549691214 in words is "two billion, five hundred forty-nine million, six hundred ninety-one thousand, two hundred fourteen".