5390307749 has 4 divisors (see below), whose sum is σ = 5576180460. Its totient is φ = 5204435040.

The previous prime is 5390307739. The next prime is 5390307773. The reversal of 5390307749 is 9477030935.

It is a happy number.

5390307749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9477030935 = 5 ⋅1895406187.

It can be written as a sum of positive squares in 2 ways, for example, as 1141223524 + 4249084225 = 33782^2 + 65185^2 .

It is a cyclic number.

It is not a de Polignac number, because 5390307749 - 2²⁸ = 5121872293 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 (5390307719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92936312 + ... + 92936369.

It is an arithmetic number, because the mean of its divisors is an integer number (1394045115).

Almost surely, 2^5390307749 is an apocalyptic number.

It is an amenable number.

5390307749 is a deficient number, since it is larger than the sum of its proper divisors (185872711).

5390307749 is a wasteful number, since it uses less digits than its factorization.

5390307749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185872710.

The product of its (nonzero) digits is 714420, while the sum is 47.

The square root of 5390307749 is about 73418.7152502684. The cubic root of 5390307749 is about 1753.3603730604.

The spelling of 5390307749 in words is "five billion, three hundred ninety million, three hundred seven thousand, seven hundred forty-nine".