4581381469 has 12 divisors (see below), whose sum is σ = 5501278848. Its totient is φ = 3800223000.

The previous prime is 4581381463. The next prime is 4581381473. The reversal of 4581381469 is 9641831854.

It is a happy number.

4581381469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4581381469 - 2⁵ = 4581381437 is a prime.

It is a super-2 number, since 2×4581381469² = 41978112328993195922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581381463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1506507 + ... + 1509544.

It is an arithmetic number, because the mean of its divisors is an integer number (458439904).

Almost surely, 2^4581381469 is an apocalyptic number.

4581381469 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4581381469 is a deficient number, since it is larger than the sum of its proper divisors (919897379).

4581381469 is a wasteful number, since it uses less digits than its factorization.

4581381469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016096 (or 3016089 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 4581381469 is about 67685.9030300993. The cubic root of 4581381469 is about 1660.8566572000.

The spelling of 4581381469 in words is "four billion, five hundred eighty-one million, three hundred eighty-one thousand, four hundred sixty-nine".