4319561689949 has 8 divisors (see below), whose sum is σ = 4712319646560. Its totient is φ = 3926815488400.

The previous prime is 4319561689913. The next prime is 4319561689991. The reversal of 4319561689949 is 9499861659134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4319561689949 - 2³⁶ = 4250842213213 is a prime.

It is a super-2 number, since 2×4319561689949² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4319561689999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161487 + ... + 3648444.

It is an arithmetic number, because the mean of its divisors is an integer number (589039955820).

Almost surely, 2^{4319561689949} is an apocalyptic number.

It is an amenable number.

4319561689949 is a deficient number, since it is larger than the sum of its proper divisors (392757956611).

4319561689949 is a wasteful number, since it uses less digits than its factorization.

4319561689949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877531.

The product of its digits is 453496320, while the sum is 74.

The spelling of 4319561689949 in words is "four trillion, three hundred nineteen billion, five hundred sixty-one million, six hundred eighty-nine thousand, nine hundred forty-nine".