526490709793 has 2 divisors, whose sum is σ = 526490709794. Its totient is φ = 526490709792.

The previous prime is 526490709779. The next prime is 526490709847. The reversal of 526490709793 is 397907094625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405951202449 + 120539507344 = 637143^2 + 347188^2 .

It is a cyclic number.

It is not a de Polignac number, because 526490709793 - 2¹³ = 526490701601 is a prime.

It is a super-2 number, since 2×526490709793² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (526490709713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263245354896 + 263245354897.

It is an arithmetic number, because the mean of its divisors is an integer number (263245354897).

Almost surely, 2^526490709793 is an apocalyptic number.

It is an amenable number.

526490709793 is a deficient number, since it is larger than the sum of its proper divisors (1).

526490709793 is an equidigital number, since it uses as much as digits as its factorization.

526490709793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 526490709793 in words is "five hundred twenty-six billion, four hundred ninety million, seven hundred nine thousand, seven hundred ninety-three".