4219449077 has 4 divisors (see below), whose sum is σ = 4223053536. Its totient is φ = 4215844620.

The previous prime is 4219449049. The next prime is 4219449083. The reversal of 4219449077 is 7709449124.

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 4219449077 - 2¹² = 4219444981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219449977) 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, 1800473 + ... + 1802814.

It is an arithmetic number, because the mean of its divisors is an integer number (1055763384).

Almost surely, 2^4219449077 is an apocalyptic number.

It is an amenable number.

4219449077 is a deficient number, since it is larger than the sum of its proper divisors (3604459).

4219449077 is a wasteful number, since it uses less digits than its factorization.

4219449077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604458.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 4219449077 is about 64957.2865581684. The cubic root of 4219449077 is about 1615.9152638976.

Adding to 4219449077 its sum of digits (47), we get a palindrome (4219449124).

The spelling of 4219449077 in words is "four billion, two hundred nineteen million, four hundred forty-nine thousand, seventy-seven".