468690309 has 24 divisors (see below), whose sum is σ = 713849760. Its totient is φ = 295507872.

The previous prime is 468690307. The next prime is 468690319. The reversal of 468690309 is 903096864.

It is not a de Polignac number, because 468690309 - 2¹ = 468690307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468690307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114787 + ... + 118799.

It is an arithmetic number, because the mean of its divisors is an integer number (29743740).

Almost surely, 2^468690309 is an apocalyptic number.

It is an amenable number.

468690309 is a deficient number, since it is larger than the sum of its proper divisors (245159451).

468690309 is a wasteful number, since it uses less digits than its factorization.

468690309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 468690309 is about 21649.2565461265. The cubic root of 468690309 is about 776.7751519660.

The spelling of 468690309 in words is "four hundred sixty-eight million, six hundred ninety thousand, three hundred nine".