4136826698561 has 2 divisors, whose sum is σ = 4136826698562. Its totient is φ = 4136826698560.

The previous prime is 4136826698513. The next prime is 4136826698567. The reversal of 4136826698561 is 1658966286314.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2470300614961 + 1666526083600 = 1571719^2 + 1290940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4136826698561 is a prime.

It is a super-2 number, since 2×4136826698561² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4136826698567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068413349280 + 2068413349281.

It is an arithmetic number, because the mean of its divisors is an integer number (2068413349281).

Almost surely, 2^{4136826698561} is an apocalyptic number.

It is an amenable number.

4136826698561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4136826698561 is an equidigital number, since it uses as much as digits as its factorization.

4136826698561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 65.

The spelling of 4136826698561 in words is "four trillion, one hundred thirty-six billion, eight hundred twenty-six million, six hundred ninety-eight thousand, five hundred sixty-one".