1348641205787 has 2 divisors, whose sum is σ = 1348641205788. Its totient is φ = 1348641205786.

The previous prime is 1348641205777. The next prime is 1348641205799. The reversal of 1348641205787 is 7875021468431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1348641205787 - 2⁴ = 1348641205771 is a prime.

It is a super-2 number, since 2×1348641205787² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1348641205757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674320602893 + 674320602894.

It is an arithmetic number, because the mean of its divisors is an integer number (674320602894).

Almost surely, 2^{1348641205787} is an apocalyptic number.

1348641205787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348641205787 is an equidigital number, since it uses as much as digits as its factorization.

1348641205787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 1348641205787 in words is "one trillion, three hundred forty-eight billion, six hundred forty-one million, two hundred five thousand, seven hundred eighty-seven".