6061001909 has 2 divisors, whose sum is σ = 6061001910. Its totient is φ = 6061001908.

The previous prime is 6061001887. The next prime is 6061001911. The reversal of 6061001909 is 9091001606.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5453379409 + 607622500 = 73847^2 + 24650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6061001909 is a prime.

Together with 6061001911, it forms a pair of twin primes.

It is a Chen prime.

6061001909 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6061001509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030500954 + 3030500955.

It is an arithmetic number, because the mean of its divisors is an integer number (3030500955).

Almost surely, 2^6061001909 is an apocalyptic number.

It is an amenable number.

6061001909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6061001909 is an equidigital number, since it uses as much as digits as its factorization.

6061001909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 6061001909 is about 77852.4367569828. The cubic root of 6061001909 is about 1823.2580522720.

The spelling of 6061001909 in words is "six billion, sixty-one million, one thousand, nine hundred nine".