461623369 has 2 divisors, whose sum is σ = 461623370. Its totient is φ = 461623368.

The previous prime is 461623289. The next prime is 461623391. The reversal of 461623369 is 963326164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243765769 + 217857600 = 15613^2 + 14760^2 .

It is a cyclic number.

It is not a de Polignac number, because 461623369 - 2²¹ = 459526217 is a prime.

It is a super-2 number, since 2×461623369² = 426192269613820322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461623399) 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, 230811684 + 230811685.

It is an arithmetic number, because the mean of its divisors is an integer number (230811685).

Almost surely, 2^461623369 is an apocalyptic number.

It is an amenable number.

461623369 is a deficient number, since it is larger than the sum of its proper divisors (1).

461623369 is an equidigital number, since it uses as much as digits as its factorization.

461623369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 461623369 is about 21485.4222439309. The cubic root of 461623369 is about 772.8512767917.

The spelling of 461623369 in words is "four hundred sixty-one million, six hundred twenty-three thousand, three hundred sixty-nine".