4219147641 has 4 divisors (see below), whose sum is σ = 5625530192. Its totient is φ = 2812765092.

The previous prime is 4219147637. The next prime is 4219147661. The reversal of 4219147641 is 1467419124.

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 not a de Polignac number, because 4219147641 - 2² = 4219147637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4219147641.

It is not an unprimeable number, because it can be changed into a prime (4219147661) 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, 703191271 + ... + 703191276.

It is an arithmetic number, because the mean of its divisors is an integer number (1406382548).

Almost surely, 2^4219147641 is an apocalyptic number.

It is an amenable number.

4219147641 is a deficient number, since it is larger than the sum of its proper divisors (1406382551).

4219147641 is a wasteful number, since it uses less digits than its factorization.

4219147641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406382550.

The product of its digits is 48384, while the sum is 39.

The square root of 4219147641 is about 64954.9662535514. The cubic root of 4219147641 is about 1615.8767828365.

The spelling of 4219147641 in words is "four billion, two hundred nineteen million, one hundred forty-seven thousand, six hundred forty-one".