868002049 has 4 divisors (see below), whose sum is σ = 868587264. Its totient is φ = 867416836.

The previous prime is 868002043. The next prime is 868002067. The reversal of 868002049 is 940200868.

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 868002049 - 2¹³ = 867993857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868001999 and 868002017.

It is not an unprimeable number, because it can be changed into a prime (868002043) 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, 290377 + ... + 293350.

It is an arithmetic number, because the mean of its divisors is an integer number (217146816).

Almost surely, 2^868002049 is an apocalyptic number.

It is an amenable number.

868002049 is a deficient number, since it is larger than the sum of its proper divisors (585215).

868002049 is a wasteful number, since it uses less digits than its factorization.

868002049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585214.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 868002049 is about 29461.8744990878. The cubic root of 868002049 is about 953.9089351492.

The spelling of 868002049 in words is "eight hundred sixty-eight million, two thousand, forty-nine".