4219381953 has 12 divisors (see below), whose sum is σ = 6115467540. Its totient is φ = 2803319136.

The previous prime is 4219381949. The next prime is 4219381961. The reversal of 4219381953 is 3591839124.

It is a happy number.

4219381953 is a `hidden beast` number, since 4 + 219 + 381 + 9 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4095104049 + 124277904 = 63993^2 + 11148^2 .

It is not a de Polignac number, because 4219381953 - 2² = 4219381949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4219381899 and 4219381908.

It is not an unprimeable number, because it can be changed into a prime (4219381853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797398 + ... + 802671.

It is an arithmetic number, because the mean of its divisors is an integer number (509622295).

Almost surely, 2^4219381953 is an apocalyptic number.

It is an amenable number.

4219381953 is a deficient number, since it is larger than the sum of its proper divisors (1896085587).

4219381953 is a wasteful number, since it uses less digits than its factorization.

4219381953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600368 (or 1600365 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 4219381953 is about 64956.7698781274. The cubic root of 4219381953 is about 1615.9066950640.

The spelling of 4219381953 in words is "four billion, two hundred nineteen million, three hundred eighty-one thousand, nine hundred fifty-three".