461678922893 has 2 divisors, whose sum is σ = 461678922894. Its totient is φ = 461678922892.

The previous prime is 461678922857. The next prime is 461678922907. The reversal of 461678922893 is 398229876164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348569798404 + 113109124489 = 590398^2 + 336317^2 .

It is a cyclic number.

It is not a de Polignac number, because 461678922893 - 2¹⁴ = 461678906509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461678922493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230839461446 + 230839461447.

It is an arithmetic number, because the mean of its divisors is an integer number (230839461447).

Almost surely, 2^461678922893 is an apocalyptic number.

It is an amenable number.

461678922893 is a deficient number, since it is larger than the sum of its proper divisors (1).

461678922893 is an equidigital number, since it uses as much as digits as its factorization.

461678922893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 65.

The spelling of 461678922893 in words is "four hundred sixty-one billion, six hundred seventy-eight million, nine hundred twenty-two thousand, eight hundred ninety-three".