610409369 has 2 divisors, whose sum is σ = 610409370. Its totient is φ = 610409368.

The previous prime is 610409323. The next prime is 610409407. The reversal of 610409369 is 963904016.

It is an a-pointer prime, because the next prime (610409407) can be obtained adding 610409369 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609497344 + 912025 = 24688^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 610409369 - 2¹² = 610405273 is a prime.

It is a super-2 number, since 2×610409369² = 745199195525956322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10409369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305204684 + 305204685.

It is an arithmetic number, because the mean of its divisors is an integer number (305204685).

Almost surely, 2^610409369 is an apocalyptic number.

It is an amenable number.

610409369 is a deficient number, since it is larger than the sum of its proper divisors (1).

610409369 is an equidigital number, since it uses as much as digits as its factorization.

610409369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 610409369 is about 24706.4641136687. The cubic root of 610409369 is about 848.2822838148.

The spelling of 610409369 in words is "six hundred ten million, four hundred nine thousand, three hundred sixty-nine".