263237441996429 has 2 divisors, whose sum is σ = 263237441996430. Its totient is φ = 263237441996428.

The previous prime is 263237441996351. The next prime is 263237441996483. The reversal of 263237441996429 is 924699144732362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259272954822025 + 3964487174404 = 16101955^2 + 1991102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263237441996429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263237441996029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131618720998214 + 131618720998215.

It is an arithmetic number, because the mean of its divisors is an integer number (131618720998215).

Almost surely, 2^{263237441996429} is an apocalyptic number.

It is an amenable number.

263237441996429 is a deficient number, since it is larger than the sum of its proper divisors (1).

263237441996429 is an equidigital number, since it uses as much as digits as its factorization.

263237441996429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846526464, while the sum is 71.

The spelling of 263237441996429 in words is "two hundred sixty-three trillion, two hundred thirty-seven billion, four hundred forty-one million, nine hundred ninety-six thousand, four hundred twenty-nine".