461329691 has 4 divisors (see below), whose sum is σ = 461575800. Its totient is φ = 461083584.

The previous prime is 461329679. The next prime is 461329703. The reversal of 461329691 is 196923164.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (461329679) and next prime (461329703).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461329691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461323691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120221 + ... + 123998.

It is an arithmetic number, because the mean of its divisors is an integer number (115393950).

Almost surely, 2^461329691 is an apocalyptic number.

461329691 is a deficient number, since it is larger than the sum of its proper divisors (246109).

461329691 is a wasteful number, since it uses less digits than its factorization.

461329691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246108.

The product of its digits is 69984, while the sum is 41.

The square root of 461329691 is about 21478.5868017428. The cubic root of 461329691 is about 772.6873498179.

The spelling of 461329691 in words is "four hundred sixty-one million, three hundred twenty-nine thousand, six hundred ninety-one".