4621694053121 has 2 divisors, whose sum is σ = 4621694053122. Its totient is φ = 4621694053120.

The previous prime is 4621694053103. The next prime is 4621694053127. The reversal of 4621694053121 is 1213504961264.

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., 3680600043121 + 941094010000 = 1918489^2 + 970100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621694053121 - 2³⁸ = 4346816146177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4621694053127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310847026560 + 2310847026561.

It is an arithmetic number, because the mean of its divisors is an integer number (2310847026561).

Almost surely, 2^{4621694053121} is an apocalyptic number.

It is an amenable number.

4621694053121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621694053121 is an equidigital number, since it uses as much as digits as its factorization.

4621694053121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 4621694053121 in words is "four trillion, six hundred twenty-one billion, six hundred ninety-four million, fifty-three thousand, one hundred twenty-one".