4071642493 has 2 divisors, whose sum is σ = 4071642494. Its totient is φ = 4071642492.

The previous prime is 4071642403. The next prime is 4071642521. The reversal of 4071642493 is 3942461704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2775498489 + 1296144004 = 52683^2 + 36002^2 .

It is a cyclic number.

It is not a de Polignac number, because 4071642493 - 2¹⁷ = 4071511421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4071642403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035821246 + 2035821247.

It is an arithmetic number, because the mean of its divisors is an integer number (2035821247).

Almost surely, 2^4071642493 is an apocalyptic number.

It is an amenable number.

4071642493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4071642493 is an equidigital number, since it uses as much as digits as its factorization.

4071642493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 4071642493 is about 63809.4232304289. The cubic root of 4071642493 is about 1596.8221420499.

The spelling of 4071642493 in words is "four billion, seventy-one million, six hundred forty-two thousand, four hundred ninety-three".