3311057749 has 4 divisors (see below), whose sum is σ = 3388059136. Its totient is φ = 3234056364.

The previous prime is 3311057747. The next prime is 3311057779. The reversal of 3311057749 is 9477501133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9477501133 = 31 ⋅305725843.

It is a cyclic number.

It is not a de Polignac number, because 3311057749 - 2¹ = 3311057747 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 (3311057747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38500629 + ... + 38500714.

It is an arithmetic number, because the mean of its divisors is an integer number (847014784).

Almost surely, 2^3311057749 is an apocalyptic number.

It is an amenable number.

3311057749 is a deficient number, since it is larger than the sum of its proper divisors (77001387).

3311057749 is an equidigital number, since it uses as much as digits as its factorization.

3311057749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77001386.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 3311057749 is about 57541.7913259572. The cubic root of 3311057749 is about 1490.4666119634.

The spelling of 3311057749 in words is "three billion, three hundred eleven million, fifty-seven thousand, seven hundred forty-nine".