526368426949 has 2 divisors, whose sum is σ = 526368426950. Its totient is φ = 526368426948.

The previous prime is 526368426889. The next prime is 526368427003. The reversal of 526368426949 is 949624863625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519851094049 + 6517332900 = 721007^2 + 80730^2 .

It is a cyclic number.

It is not a de Polignac number, because 526368426949 - 2⁷ = 526368426821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526368426349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263184213474 + 263184213475.

It is an arithmetic number, because the mean of its divisors is an integer number (263184213475).

Almost surely, 2^526368426949 is an apocalyptic number.

It is an amenable number.

526368426949 is a deficient number, since it is larger than the sum of its proper divisors (1).

526368426949 is an equidigital number, since it uses as much as digits as its factorization.

526368426949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134369280, while the sum is 64.

The spelling of 526368426949 in words is "five hundred twenty-six billion, three hundred sixty-eight million, four hundred twenty-six thousand, nine hundred forty-nine".