3728610043 has 2 divisors, whose sum is σ = 3728610044. Its totient is φ = 3728610042.

The previous prime is 3728610019. The next prime is 3728610089. The reversal of 3728610043 is 3400168273.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3728610043 - 2²¹ = 3726512891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3728609990 and 3728610008.

It is not a weakly prime, because it can be changed into another prime (3728610143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864305021 + 1864305022.

It is an arithmetic number, because the mean of its divisors is an integer number (1864305022).

Almost surely, 2^3728610043 is an apocalyptic number.

3728610043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728610043 is an equidigital number, since it uses as much as digits as its factorization.

3728610043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3728610043 is about 61062.3455412581. The cubic root of 3728610043 is about 1550.6566822740.

The spelling of 3728610043 in words is "three billion, seven hundred twenty-eight million, six hundred ten thousand, forty-three".