826650969 has 4 divisors (see below), whose sum is σ = 1102201296. Its totient is φ = 551100644.

The previous prime is 826650953. The next prime is 826650971. The reversal of 826650969 is 969056628.

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 826650969 - 2⁴ = 826650953 is a prime.

It is a super-2 number, since 2×826650969² = 1366703649097277922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (826650949) 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, 137775159 + ... + 137775164.

It is an arithmetic number, because the mean of its divisors is an integer number (275550324).

Almost surely, 2^826650969 is an apocalyptic number.

It is an amenable number.

826650969 is a deficient number, since it is larger than the sum of its proper divisors (275550327).

826650969 is a wasteful number, since it uses less digits than its factorization.

826650969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275550326.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 826650969 is about 28751.5385501368. The cubic root of 826650969 is about 938.5139371671.

The spelling of 826650969 in words is "eight hundred twenty-six million, six hundred fifty thousand, nine hundred sixty-nine".