263013401675663 has 2 divisors, whose sum is σ = 263013401675664. Its totient is φ = 263013401675662.

The previous prime is 263013401675611. The next prime is 263013401675699. The reversal of 263013401675663 is 366576104310362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263013401675663 - 2¹⁴ = 263013401659279 is a prime.

It is a super-2 number, since 2×263013401675663² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263013401678663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131506700837831 + 131506700837832.

It is an arithmetic number, because the mean of its divisors is an integer number (131506700837832).

Almost surely, 2^{263013401675663} is an apocalyptic number.

263013401675663 is a deficient number, since it is larger than the sum of its proper divisors (1).

263013401675663 is an equidigital number, since it uses as much as digits as its factorization.

263013401675663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 263013401675663 in words is "two hundred sixty-three trillion, thirteen billion, four hundred one million, six hundred seventy-five thousand, six hundred sixty-three".