468971399 has 4 divisors (see below), whose sum is σ = 505046136. Its totient is φ = 432896664.

The previous prime is 468971339. The next prime is 468971423. The reversal of 468971399 is 993179864.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468971399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468971339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18037349 + ... + 18037374.

It is an arithmetic number, because the mean of its divisors is an integer number (126261534).

Almost surely, 2^468971399 is an apocalyptic number.

468971399 is a deficient number, since it is larger than the sum of its proper divisors (36074737).

468971399 is a wasteful number, since it uses less digits than its factorization.

468971399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074736.

The product of its digits is 2939328, while the sum is 56.

The square root of 468971399 is about 21655.7474819042. The cubic root of 468971399 is about 776.9304073577.

The spelling of 468971399 in words is "four hundred sixty-eight million, nine hundred seventy-one thousand, three hundred ninety-nine".