2151744314 has 4 divisors (see below), whose sum is σ = 3227616474. Its totient is φ = 1075872156.

The previous prime is 2151744311. The next prime is 2151744341. The reversal of 2151744314 is 4134471512.

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., 2115540025 + 36204289 = 45995^2 + 6017^2 .

It is not an unprimeable number, because it can be changed into a prime (2151744311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537936077 + ... + 537936080.

Almost surely, 2^2151744314 is an apocalyptic number.

2151744314 is a deficient number, since it is larger than the sum of its proper divisors (1075872160).

2151744314 is a wasteful number, since it uses less digits than its factorization.

2151744314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075872159.

The product of its digits is 13440, while the sum is 32.

The square root of 2151744314 is about 46386.8980855586. The cubic root of 2151744314 is about 1291.0118283899.

The spelling of 2151744314 in words is "two billion, one hundred fifty-one million, seven hundred forty-four thousand, three hundred fourteen".