2214057749 has 4 divisors (see below), whose sum is σ = 2214663564. Its totient is φ = 2213451936.

The previous prime is 2214057743. The next prime is 2214057767. The reversal of 2214057749 is 9477504122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9477504122 = 2 ⋅4738752061.

It can be written as a sum of positive squares in 2 ways, for example, as 1193702500 + 1020355249 = 34550^2 + 31943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2214057749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214057743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 297392 + ... + 304745.

It is an arithmetic number, because the mean of its divisors is an integer number (553665891).

Almost surely, 2^2214057749 is an apocalyptic number.

It is an amenable number.

2214057749 is a deficient number, since it is larger than the sum of its proper divisors (605815).

2214057749 is an equidigital number, since it uses as much as digits as its factorization.

2214057749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605814.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2214057749 is about 47053.7750770329. The cubic root of 2214057749 is about 1303.3557775860.

Multiplying 2214057749 by its sum of digits (41), we get a palindrome (90776367709).

The spelling of 2214057749 in words is "two billion, two hundred fourteen million, fifty-seven thousand, seven hundred forty-nine".