1264701340327 has 2 divisors, whose sum is σ = 1264701340328. Its totient is φ = 1264701340326.

The previous prime is 1264701340307. The next prime is 1264701340337. The reversal of 1264701340327 is 7230431074621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264701340327 - 2¹¹ = 1264701338279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264701340327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264701340307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632350670163 + 632350670164.

It is an arithmetic number, because the mean of its divisors is an integer number (632350670164).

Almost surely, 2^{1264701340327} is an apocalyptic number.

1264701340327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264701340327 is an equidigital number, since it uses as much as digits as its factorization.

1264701340327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 1264701340327 in words is "one trillion, two hundred sixty-four billion, seven hundred one million, three hundred forty thousand, three hundred twenty-seven".