4621653403121 has 2 divisors, whose sum is σ = 4621653403122. Its totient is φ = 4621653403120.

The previous prime is 4621653403097. The next prime is 4621653403127. The reversal of 4621653403121 is 1213043561264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2432913648400 + 2188739754721 = 1559780^2 + 1479439^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621653403121 - 2⁴² = 223606892017 is a prime.

It is not a weakly prime, because it can be changed into another prime (4621653403127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310826701560 + 2310826701561.

It is an arithmetic number, because the mean of its divisors is an integer number (2310826701561).

Almost surely, 2^{4621653403121} is an apocalyptic number.

It is an amenable number.

4621653403121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621653403121 is an equidigital number, since it uses as much as digits as its factorization.

4621653403121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 4621653403121 its reverse (1213043561264), we get a palindrome (5834696964385).

The spelling of 4621653403121 in words is "four trillion, six hundred twenty-one billion, six hundred fifty-three million, four hundred three thousand, one hundred twenty-one".