1343677747 has 2 divisors, whose sum is σ = 1343677748. Its totient is φ = 1343677746.

The previous prime is 1343677729. The next prime is 1343677763. The reversal of 1343677747 is 7477763431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1343677747 - 2¹⁵ = 1343644979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1343677747.

It is not a weakly prime, because it can be changed into another prime (1343675747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671838873 + 671838874.

It is an arithmetic number, because the mean of its divisors is an integer number (671838874).

Almost surely, 2^1343677747 is an apocalyptic number.

1343677747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343677747 is an equidigital number, since it uses as much as digits as its factorization.

1343677747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 49.

The square root of 1343677747 is about 36656.2102105496. The cubic root of 1343677747 is about 1103.4814619552.

The spelling of 1343677747 in words is "one billion, three hundred forty-three million, six hundred seventy-seven thousand, seven hundred forty-seven".