461889047 has 2 divisors, whose sum is σ = 461889048. Its totient is φ = 461889046.

The previous prime is 461889037. The next prime is 461889053. The reversal of 461889047 is 740988164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461889047 - 2⁶ = 461888983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 461888992 and 461889010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461889007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230944523 + 230944524.

It is an arithmetic number, because the mean of its divisors is an integer number (230944524).

Almost surely, 2^461889047 is an apocalyptic number.

461889047 is a deficient number, since it is larger than the sum of its proper divisors (1).

461889047 is an equidigital number, since it uses as much as digits as its factorization.

461889047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 461889047 is about 21491.6041048592. The cubic root of 461889047 is about 772.9995146676. Note that the first 3 decimals are identical.

The spelling of 461889047 in words is "four hundred sixty-one million, eight hundred eighty-nine thousand, forty-seven".