461769493 has 2 divisors, whose sum is σ = 461769494. Its totient is φ = 461769492.

The previous prime is 461769463. The next prime is 461769527. The reversal of 461769493 is 394967164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437730084 + 24039409 = 20922^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 461769493 - 2²⁵ = 428215061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461769403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230884746 + 230884747.

It is an arithmetic number, because the mean of its divisors is an integer number (230884747).

Almost surely, 2^461769493 is an apocalyptic number.

It is an amenable number.

461769493 is a deficient number, since it is larger than the sum of its proper divisors (1).

461769493 is an equidigital number, since it uses as much as digits as its factorization.

461769493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 461769493 is about 21488.8225131113. The cubic root of 461769493 is about 772.9328152736.

The spelling of 461769493 in words is "four hundred sixty-one million, seven hundred sixty-nine thousand, four hundred ninety-three".