3791526640849 has 2 divisors, whose sum is σ = 3791526640850. Its totient is φ = 3791526640848.

The previous prime is 3791526640801. The next prime is 3791526640897. The reversal of 3791526640849 is 9480466251973.

3791526640849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3791526640801) and next prime (3791526640897).

It can be written as a sum of positive squares in only one way, i.e., 2862677883025 + 928848757824 = 1691945^2 + 963768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3791526640849 - 2¹⁵ = 3791526608081 is a prime.

It is a super-3 number, since 3×3791526640849³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3791526640049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895763320424 + 1895763320425.

It is an arithmetic number, because the mean of its divisors is an integer number (1895763320425).

It is a 1-persistent number, because it is pandigital, but 2⋅3791526640849 = 7583053281698 is not.

Almost surely, 2^{3791526640849} is an apocalyptic number.

It is an amenable number.

3791526640849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3791526640849 is an equidigital number, since it uses as much as digits as its factorization.

3791526640849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 3791526640849 in words is "three trillion, seven hundred ninety-one billion, five hundred twenty-six million, six hundred forty thousand, eight hundred forty-nine".