263825492093 has 2 divisors, whose sum is σ = 263825492094. Its totient is φ = 263825492092.

The previous prime is 263825492003. The next prime is 263825492107. The reversal of 263825492093 is 390294528362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211598160004 + 52227332089 = 459998^2 + 228533^2 .

It is a cyclic number.

It is not a de Polignac number, because 263825492093 - 2¹⁸ = 263825229949 is a prime.

It is a super-2 number, since 2×263825492093² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263825492003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131912746046 + 131912746047.

It is an arithmetic number, because the mean of its divisors is an integer number (131912746047).

Almost surely, 2^263825492093 is an apocalyptic number.

It is an amenable number.

263825492093 is a deficient number, since it is larger than the sum of its proper divisors (1).

263825492093 is an equidigital number, since it uses as much as digits as its factorization.

263825492093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 263825492093 in words is "two hundred sixty-three billion, eight hundred twenty-five million, four hundred ninety-two thousand, ninety-three".