526400553499 has 2 divisors, whose sum is σ = 526400553500. Its totient is φ = 526400553498.

The previous prime is 526400553473. The next prime is 526400553509. The reversal of 526400553499 is 994355004625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 526400553499 - 2²³ = 526392164891 is a prime.

It is a super-2 number, since 2×526400553499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (526400523499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263200276749 + 263200276750.

It is an arithmetic number, because the mean of its divisors is an integer number (263200276750).

Almost surely, 2^526400553499 is an apocalyptic number.

526400553499 is a deficient number, since it is larger than the sum of its proper divisors (1).

526400553499 is an equidigital number, since it uses as much as digits as its factorization.

526400553499 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 526400553499 in words is "five hundred twenty-six billion, four hundred million, five hundred fifty-three thousand, four hundred ninety-nine".