810002606461 has 8 divisors (see below), whose sum is σ = 811429104384. Its totient is φ = 808577239680.

The previous prime is 810002606449. The next prime is 810002606471. The reversal of 810002606461 is 164606200018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 810002606461 - 2⁵ = 810002606429 is a prime.

It is a super-2 number, since 2×810002606461² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810002606471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157101 + ... + 1720141.

It is an arithmetic number, because the mean of its divisors is an integer number (101428638048).

Almost surely, 2^810002606461 is an apocalyptic number.

It is an amenable number.

810002606461 is a deficient number, since it is larger than the sum of its proper divisors (1426497923).

810002606461 is a wasteful number, since it uses less digits than its factorization.

810002606461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565571.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 810002606461 its reverse (164606200018), we get a palindrome (974608806479).

The spelling of 810002606461 in words is "eight hundred ten billion, two million, six hundred six thousand, four hundred sixty-one".