526049656513 has 4 divisors (see below), whose sum is σ = 553736480560. Its totient is φ = 498362832468.

The previous prime is 526049656493. The next prime is 526049656553. The reversal of 526049656513 is 315656940625.

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 526049656513 - 2²⁹ = 525512785601 is a prime.

It is a super-2 number, since 2×526049656513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526049656553) 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, 13843411995 + ... + 13843412032.

It is an arithmetic number, because the mean of its divisors is an integer number (138434120140).

Almost surely, 2^526049656513 is an apocalyptic number.

It is an amenable number.

526049656513 is a deficient number, since it is larger than the sum of its proper divisors (27686824047).

526049656513 is a wasteful number, since it uses less digits than its factorization.

526049656513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686824046.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 526049656513 in words is "five hundred twenty-six billion, forty-nine million, six hundred fifty-six thousand, five hundred thirteen".