8299728059461 has 2 divisors, whose sum is σ = 8299728059462. Its totient is φ = 8299728059460.

The previous prime is 8299728059437. The next prime is 8299728059509. The reversal of 8299728059461 is 1649508279928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8187003354436 + 112724705025 = 2861294^2 + 335745^2 .

It is a cyclic number.

It is not a de Polignac number, because 8299728059461 - 2²¹ = 8299725962309 is a prime.

It is a super-2 number, since 2×8299728059461² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8299728059411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4149864029730 + 4149864029731.

It is an arithmetic number, because the mean of its divisors is an integer number (4149864029731).

Almost surely, 2^{8299728059461} is an apocalyptic number.

It is an amenable number.

8299728059461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8299728059461 is an equidigital number, since it uses as much as digits as its factorization.

8299728059461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 8299728059461 in words is "eight trillion, two hundred ninety-nine billion, seven hundred twenty-eight million, fifty-nine thousand, four hundred sixty-one".