263011242451 has 2 divisors, whose sum is σ = 263011242452. Its totient is φ = 263011242450.

The previous prime is 263011242397. The next prime is 263011242463. The reversal of 263011242451 is 154242110362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263011242451 - 2¹³ = 263011234259 is a prime.

It is not a weakly prime, because it can be changed into another prime (263011242491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131505621225 + 131505621226.

It is an arithmetic number, because the mean of its divisors is an integer number (131505621226).

Almost surely, 2^263011242451 is an apocalyptic number.

263011242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

263011242451 is an equidigital number, since it uses as much as digits as its factorization.

263011242451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 263011242451 in words is "two hundred sixty-three billion, eleven million, two hundred forty-two thousand, four hundred fifty-one".