610487869 has 2 divisors, whose sum is σ = 610487870. Its totient is φ = 610487868.

The previous prime is 610487863. The next prime is 610487897. The reversal of 610487869 is 968784016.

610487869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501536025 + 108951844 = 22395^2 + 10438^2 .

It is a cyclic number.

It is not a de Polignac number, because 610487869 - 2⁵ = 610487837 is a prime.

It is a super-2 number, since 2×610487869² = 745390876392322322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610487863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305243934 + 305243935.

It is an arithmetic number, because the mean of its divisors is an integer number (305243935).

Almost surely, 2^610487869 is an apocalyptic number.

It is an amenable number.

610487869 is a deficient number, since it is larger than the sum of its proper divisors (1).

610487869 is an equidigital number, since it uses as much as digits as its factorization.

610487869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 610487869 is about 24708.0527156634. The cubic root of 610487869 is about 848.3186459177.

The spelling of 610487869 in words is "six hundred ten million, four hundred eighty-seven thousand, eight hundred sixty-nine".