263467311157 has 2 divisors, whose sum is σ = 263467311158. Its totient is φ = 263467311156.

The previous prime is 263467311127. The next prime is 263467311161. The reversal of 263467311157 is 751113764362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256837117681 + 6630193476 = 506791^2 + 81426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263467311157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263467311127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131733655578 + 131733655579.

It is an arithmetic number, because the mean of its divisors is an integer number (131733655579).

Almost surely, 2^263467311157 is an apocalyptic number.

It is an amenable number.

263467311157 is a deficient number, since it is larger than the sum of its proper divisors (1).

263467311157 is an equidigital number, since it uses as much as digits as its factorization.

263467311157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The spelling of 263467311157 in words is "two hundred sixty-three billion, four hundred sixty-seven million, three hundred eleven thousand, one hundred fifty-seven".