263730422447 has 4 divisors (see below), whose sum is σ = 263759836080. Its totient is φ = 263701008816.

The previous prime is 263730422441. The next prime is 263730422453. The reversal of 263730422447 is 744224037362.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (263730422441) and next prime (263730422453).

It is a cyclic number.

It is not a de Polignac number, because 263730422447 - 2⁸ = 263730422191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263730422398 and 263730422407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263730422441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14693363 + ... + 14711300.

It is an arithmetic number, because the mean of its divisors is an integer number (65939959020).

Almost surely, 2^263730422447 is an apocalyptic number.

263730422447 is a deficient number, since it is larger than the sum of its proper divisors (29413633).

263730422447 is an equidigital number, since it uses as much as digits as its factorization.

263730422447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29413632.

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 263730422447 in words is "two hundred sixty-three billion, seven hundred thirty million, four hundred twenty-two thousand, four hundred forty-seven".