462016424117621 has 2 divisors, whose sum is σ = 462016424117622. Its totient is φ = 462016424117620.

The previous prime is 462016424117597. The next prime is 462016424117707. The reversal of 462016424117621 is 126711424610264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441490948562596 + 20525475555025 = 21011686^2 + 4530505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462016424117621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462016424111621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231008212058810 + 231008212058811.

It is an arithmetic number, because the mean of its divisors is an integer number (231008212058811).

Almost surely, 2^{462016424117621} is an apocalyptic number.

It is an amenable number.

462016424117621 is a deficient number, since it is larger than the sum of its proper divisors (1).

462016424117621 is an equidigital number, since it uses as much as digits as its factorization.

462016424117621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

Adding to 462016424117621 its reverse (126711424610264), we get a palindrome (588727848727885).

The spelling of 462016424117621 in words is "four hundred sixty-two trillion, sixteen billion, four hundred twenty-four million, one hundred seventeen thousand, six hundred twenty-one".