10243426461461 has 8 divisors (see below), whose sum is σ = 10846054744344. Its totient is φ = 9640806376960.

The previous prime is 10243426461449. The next prime is 10243426461469. The reversal of 10243426461461 is 16416462434201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2144672380900 + 8098754080561 = 1464470^2 + 2845831^2 .

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 10243426461461 - 2¹⁸ = 10243426199317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243426461469) 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, 622331 + ... + 4568823.

It is an arithmetic number, because the mean of its divisors is an integer number (1355756843043).

Almost surely, 2^{10243426461461} is an apocalyptic number.

It is an amenable number.

10243426461461 is a deficient number, since it is larger than the sum of its proper divisors (602628282883).

10243426461461 is a wasteful number, since it uses less digits than its factorization.

10243426461461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099191.

The product of its (nonzero) digits is 663552, while the sum is 44.

Adding to 10243426461461 its reverse (16416462434201), we get a palindrome (26659888895662).

The spelling of 10243426461461 in words is "ten trillion, two hundred forty-three billion, four hundred twenty-six million, four hundred sixty-one thousand, four hundred sixty-one".