610867419261 has 16 divisors (see below), whose sum is σ = 888666992640. Its totient is φ = 370167443120.

The previous prime is 610867419167. The next prime is 610867419419. The reversal of 610867419261 is 162914768016.

It is a cyclic number.

It is not a de Polignac number, because 610867419261 - 2¹³ = 610867411069 is a prime.

It is a super-2 number, since 2×610867419261² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610867415261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155795 + ... + 1599248.

It is an arithmetic number, because the mean of its divisors is an integer number (55541687040).

Almost surely, 2^610867419261 is an apocalyptic number.

It is an amenable number.

610867419261 is a deficient number, since it is larger than the sum of its proper divisors (277799573379).

610867419261 is a wasteful number, since it uses less digits than its factorization.

610867419261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761776.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 610867419261 in words is "six hundred ten billion, eight hundred sixty-seven million, four hundred nineteen thousand, two hundred sixty-one".