4819454381 has 4 divisors (see below), whose sum is σ = 5507947872. Its totient is φ = 4130960892.

The previous prime is 4819454371. The next prime is 4819454413. The reversal of 4819454381 is 1834549184.

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 not a de Polignac number, because 4819454381 - 2⁶ = 4819454317 is a prime.

It is a super-2 number, since 2×4819454381² = 46454281061080186322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4819454371) 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, 344246735 + ... + 344246748.

It is an arithmetic number, because the mean of its divisors is an integer number (1376986968).

Almost surely, 2^4819454381 is an apocalyptic number.

It is an amenable number.

4819454381 is a deficient number, since it is larger than the sum of its proper divisors (688493491).

4819454381 is an equidigital number, since it uses as much as digits as its factorization.

4819454381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688493490.

The product of its digits is 552960, while the sum is 47.

The square root of 4819454381 is about 69422.2902315964. The cubic root of 4819454381 is about 1689.1412114910.

The spelling of 4819454381 in words is "four billion, eight hundred nineteen million, four hundred fifty-four thousand, three hundred eighty-one".