526368426369 has 4 divisors (see below), whose sum is σ = 701824568496. Its totient is φ = 350912284244.

The previous prime is 526368426361. The next prime is 526368426383. The reversal of 526368426369 is 963624863625.

It is a happy number.

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 526368426369 - 2³ = 526368426361 is a prime.

It is a super-2 number, since 2×526368426369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (526368426361) 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, 87728071059 + ... + 87728071064.

It is an arithmetic number, because the mean of its divisors is an integer number (175456142124).

Almost surely, 2^526368426369 is an apocalyptic number.

It is an amenable number.

526368426369 is a deficient number, since it is larger than the sum of its proper divisors (175456142127).

526368426369 is a wasteful number, since it uses less digits than its factorization.

526368426369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175456142126.

The product of its digits is 67184640, while the sum is 60.

The spelling of 526368426369 in words is "five hundred twenty-six billion, three hundred sixty-eight million, four hundred twenty-six thousand, three hundred sixty-nine".