4219397608 has 16 divisors (see below), whose sum is σ = 7961763780. Its totient is φ = 2096260608.

The previous prime is 4219397579. The next prime is 4219397627. The reversal of 4219397608 is 8067939124.

It can be written as a sum of positive squares in 2 ways, for example, as 3679392964 + 540004644 = 60658^2 + 23238^2 .

It is a super-2 number, since 2×4219397608² = 35606632348792243328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678441 + ... + 1680952.

Almost surely, 2^4219397608 is an apocalyptic number.

It is an amenable number.

4219397608 is a deficient number, since it is larger than the sum of its proper divisors (3742366172).

4219397608 is a wasteful number, since it uses less digits than its factorization.

4219397608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359556 (or 3359552 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 4219397608 is about 64956.8903812367. The cubic root of 4219397608 is about 1615.9086935390.

The spelling of 4219397608 in words is "four billion, two hundred nineteen million, three hundred ninety-seven thousand, six hundred eight".