8461150674421 has 2 divisors, whose sum is σ = 8461150674422. Its totient is φ = 8461150674420.

The previous prime is 8461150674419. The next prime is 8461150674523. The reversal of 8461150674421 is 1244760511648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5130288420196 + 3330862254225 = 2265014^2 + 1825065^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461150674421 - 2¹ = 8461150674419 is a prime.

Together with 8461150674419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461150644421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230575337210 + 4230575337211.

It is an arithmetic number, because the mean of its divisors is an integer number (4230575337211).

Almost surely, 2^{8461150674421} is an apocalyptic number.

It is an amenable number.

8461150674421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461150674421 is an equidigital number, since it uses as much as digits as its factorization.

8461150674421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 8461150674421 in words is "eight trillion, four hundred sixty-one billion, one hundred fifty million, six hundred seventy-four thousand, four hundred twenty-one".