4121795136257 has 4 divisors (see below), whose sum is σ = 4123650966996. Its totient is φ = 4119939305520.

The previous prime is 4121795136229. The next prime is 4121795136269. The reversal of 4121795136257 is 7526315971214.

It is a happy number.

4121795136257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3385603680001 + 736191456256 = 1840001^2 + 858016^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121795136257 - 2⁸ = 4121795136001 is a prime.

It is a super-2 number, since 2×4121795136257² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4121795136199 and 4121795136208.

It is not an unprimeable number, because it can be changed into a prime (4121795136287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927912038 + ... + 927916479.

It is an arithmetic number, because the mean of its divisors is an integer number (1030912741749).

Almost surely, 2^{4121795136257} is an apocalyptic number.

It is an amenable number.

4121795136257 is a deficient number, since it is larger than the sum of its proper divisors (1855830739).

4121795136257 is a wasteful number, since it uses less digits than its factorization.

4121795136257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855830738.

The product of its digits is 3175200, while the sum is 53.

The spelling of 4121795136257 in words is "four trillion, one hundred twenty-one billion, seven hundred ninety-five million, one hundred thirty-six thousand, two hundred fifty-seven".