464486381 has 2 divisors, whose sum is σ = 464486382. Its totient is φ = 464486380.

The previous prime is 464486377. The next prime is 464486389. The reversal of 464486381 is 183684464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349353481 + 115132900 = 18691^2 + 10730^2 .

It is a cyclic number.

It is not a de Polignac number, because 464486381 - 2² = 464486377 is a prime.

It is a super-2 number, since 2×464486381² = 431495196268954322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464486389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232243190 + 232243191.

It is an arithmetic number, because the mean of its divisors is an integer number (232243191).

Almost surely, 2^464486381 is an apocalyptic number.

It is an amenable number.

464486381 is a deficient number, since it is larger than the sum of its proper divisors (1).

464486381 is an equidigital number, since it uses as much as digits as its factorization.

464486381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 44.

The square root of 464486381 is about 21551.9461070224. The cubic root of 464486381 is about 774.4457395321.

The spelling of 464486381 in words is "four hundred sixty-four million, four hundred eighty-six thousand, three hundred eighty-one".