819696200749 has 8 divisors (see below), whose sum is σ = 838788572160. Its totient is φ = 800605178016.

The previous prime is 819696200689. The next prime is 819696200753. The reversal of 819696200749 is 947002696918.

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 819696200749 - 2¹⁵ = 819696167981 is a prime.

It is a super-2 number, since 2×819696200749² (a number of 25 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 (819696200789) 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, 949017 + ... + 1593745.

It is an arithmetic number, because the mean of its divisors is an integer number (104848571520).

Almost surely, 2^819696200749 is an apocalyptic number.

It is an amenable number.

819696200749 is a deficient number, since it is larger than the sum of its proper divisors (19092371411).

819696200749 is a wasteful number, since it uses less digits than its factorization.

819696200749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674339.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 819696200749 in words is "eight hundred nineteen billion, six hundred ninety-six million, two hundred thousand, seven hundred forty-nine".