1343899651 has 2 divisors, whose sum is σ = 1343899652. Its totient is φ = 1343899650.

The previous prime is 1343899639. The next prime is 1343899663. The reversal of 1343899651 is 1569983431.

It is a balanced prime because it is at equal distance from previous prime (1343899639) and next prime (1343899663).

It is an emirp because it is prime and its reverse (1569983431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343899651 - 2⁷ = 1343899523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1343899595 and 1343899604.

It is not a weakly prime, because it can be changed into another prime (1343899451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671949825 + 671949826.

It is an arithmetic number, because the mean of its divisors is an integer number (671949826).

Almost surely, 2^1343899651 is an apocalyptic number.

1343899651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343899651 is an equidigital number, since it uses as much as digits as its factorization.

1343899651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 1343899651 is about 36659.2369124072. The cubic root of 1343899651 is about 1103.5422040670.

The spelling of 1343899651 in words is "one billion, three hundred forty-three million, eight hundred ninety-nine thousand, six hundred fifty-one".