283749868381 has 8 divisors (see below), whose sum is σ = 341353225280. Its totient is φ = 230413426848.

The previous prime is 283749868333. The next prime is 283749868397. The reversal of 283749868381 is 183868947382.

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 283749868381 - 2²⁷ = 283615650653 is a prime.

It is a super-2 number, since 2×283749868381² (a number of 24 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 (283749868781) 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, 1066728696 + ... + 1066728961.

It is an arithmetic number, because the mean of its divisors is an integer number (42669153160).

Almost surely, 2^283749868381 is an apocalyptic number.

It is an amenable number.

283749868381 is a deficient number, since it is larger than the sum of its proper divisors (57603356899).

283749868381 is a wasteful number, since it uses less digits than its factorization.

283749868381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133457683.

The product of its digits is 111476736, while the sum is 67.

The spelling of 283749868381 in words is "two hundred eighty-three billion, seven hundred forty-nine million, eight hundred sixty-eight thousand, three hundred eighty-one".