4061019509 has 2 divisors, whose sum is σ = 4061019510. Its totient is φ = 4061019508.

The previous prime is 4061019503. The next prime is 4061019527. The reversal of 4061019509 is 9059101604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2913300625 + 1147718884 = 53975^2 + 33878^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061019509 - 2⁴ = 4061019493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4061019503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030509754 + 2030509755.

It is an arithmetic number, because the mean of its divisors is an integer number (2030509755).

Almost surely, 2^4061019509 is an apocalyptic number.

It is an amenable number.

4061019509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061019509 is an equidigital number, since it uses as much as digits as its factorization.

4061019509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 4061019509 is about 63726.1289346842. The cubic root of 4061019509 is about 1595.4322205968.

The spelling of 4061019509 in words is "four billion, sixty-one million, nineteen thousand, five hundred nine".