263750137753 has 2 divisors, whose sum is σ = 263750137754. Its totient is φ = 263750137752.

The previous prime is 263750137741. The next prime is 263750137787. The reversal of 263750137753 is 357731057362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248559082249 + 15191055504 = 498557^2 + 123252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263750137753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263750137697 and 263750137706.

It is not a weakly prime, because it can be changed into another prime (263750137723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131875068876 + 131875068877.

It is an arithmetic number, because the mean of its divisors is an integer number (131875068877).

Almost surely, 2^263750137753 is an apocalyptic number.

It is an amenable number.

263750137753 is a deficient number, since it is larger than the sum of its proper divisors (1).

263750137753 is an equidigital number, since it uses as much as digits as its factorization.

263750137753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 49.

The spelling of 263750137753 in words is "two hundred sixty-three billion, seven hundred fifty million, one hundred thirty-seven thousand, seven hundred fifty-three".