1348464643 has 2 divisors, whose sum is σ = 1348464644. Its totient is φ = 1348464642.

The previous prime is 1348464641. The next prime is 1348464659. The reversal of 1348464643 is 3464648431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3464648431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1348464643 - 2¹ = 1348464641 is a prime.

It is a super-2 number, since 2×1348464643² = 3636713786842234898, which contains 22 as substring.

Together with 1348464641, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1348464643.

It is not a weakly prime, because it can be changed into another prime (1348464641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674232321 + 674232322.

It is an arithmetic number, because the mean of its divisors is an integer number (674232322).

Almost surely, 2^1348464643 is an apocalyptic number.

1348464643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348464643 is an equidigital number, since it uses as much as digits as its factorization.

1348464643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 43.

The square root of 1348464643 is about 36721.4466354472. The cubic root of 1348464643 is about 1104.7903052060.

The spelling of 1348464643 in words is "one billion, three hundred forty-eight million, four hundred sixty-four thousand, six hundred forty-three".