467643981481 has 4 divisors (see below), whose sum is σ = 468462973264. Its totient is φ = 466824989700.

The previous prime is 467643981463. The next prime is 467643981583. The reversal of 467643981481 is 184189346764.

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 not a de Polignac number, because 467643981481 - 2²⁷ = 467509763753 is a prime.

It is a super-2 number, since 2×467643981481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (467643981781) 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, 409495035 + ... + 409496176.

It is an arithmetic number, because the mean of its divisors is an integer number (117115743316).

Almost surely, 2^467643981481 is an apocalyptic number.

It is an amenable number.

467643981481 is a deficient number, since it is larger than the sum of its proper divisors (818991783).

467643981481 is an equidigital number, since it uses as much as digits as its factorization.

467643981481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818991782.

The product of its digits is 27869184, while the sum is 61.

The spelling of 467643981481 in words is "four hundred sixty-seven billion, six hundred forty-three million, nine hundred eighty-one thousand, four hundred eighty-one".