461620542676441 has 2 divisors, whose sum is σ = 461620542676442. Its totient is φ = 461620542676440.

The previous prime is 461620542676429. The next prime is 461620542676471. The reversal of 461620542676441 is 144676245026164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451868381782416 + 9752160894025 = 21257196^2 + 3122845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461620542676441 is a prime.

It is not a weakly prime, because it can be changed into another prime (461620542676421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230810271338220 + 230810271338221.

It is an arithmetic number, because the mean of its divisors is an integer number (230810271338221).

Almost surely, 2^{461620542676441} is an apocalyptic number.

It is an amenable number.

461620542676441 is a deficient number, since it is larger than the sum of its proper divisors (1).

461620542676441 is an equidigital number, since it uses as much as digits as its factorization.

461620542676441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 461620542676441 in words is "four hundred sixty-one trillion, six hundred twenty billion, five hundred forty-two million, six hundred seventy-six thousand, four hundred forty-one".