468143381549 has 4 divisors (see below), whose sum is σ = 468468708480. Its totient is φ = 467818054620.

The previous prime is 468143381539. The next prime is 468143381551. The reversal of 468143381549 is 945183341864.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468143381549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 468143381494 and 468143381503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468143381539) 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, 162661307 + ... + 162664184.

It is an arithmetic number, because the mean of its divisors is an integer number (117117177120).

Almost surely, 2^468143381549 is an apocalyptic number.

It is an amenable number.

468143381549 is a deficient number, since it is larger than the sum of its proper divisors (325326931).

468143381549 is a wasteful number, since it uses less digits than its factorization.

468143381549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325326930.

The product of its digits is 9953280, while the sum is 56.

The spelling of 468143381549 in words is "four hundred sixty-eight billion, one hundred forty-three million, three hundred eighty-one thousand, five hundred forty-nine".