3749347013 has 2 divisors, whose sum is σ = 3749347014. Its totient is φ = 3749347012.

The previous prime is 3749346989. The next prime is 3749347037. The reversal of 3749347013 is 3107439473.

3749347013 = 43297² + 43298².

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3749346989) and next prime (3749347037).

It can be written as a sum of positive squares in only one way, i.e., 1874716804 + 1874630209 = 43298^2 + 43297^2 .

It is a cyclic number.

It is not a de Polignac number, because 3749347013 - 2⁶ = 3749346949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3749347813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874673506 + 1874673507.

It is an arithmetic number, because the mean of its divisors is an integer number (1874673507).

Almost surely, 2^3749347013 is an apocalyptic number.

3749347013 is the 43298-th centered square number.

It is an amenable number.

3749347013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3749347013 is an equidigital number, since it uses as much as digits as its factorization.

3749347013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 3749347013 is about 61231.9117209319. The cubic root of 3749347013 is about 1553.5260707453.

The spelling of 3749347013 in words is "three billion, seven hundred forty-nine million, three hundred forty-seven thousand, thirteen".