1368271451 has 2 divisors, whose sum is σ = 1368271452. Its totient is φ = 1368271450.

The previous prime is 1368271391. The next prime is 1368271483. The reversal of 1368271451 is 1541728631.

It is a strong prime.

It is an emirp because it is prime and its reverse (1541728631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368271451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1368291451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684135725 + 684135726.

It is an arithmetic number, because the mean of its divisors is an integer number (684135726).

Almost surely, 2^1368271451 is an apocalyptic number.

1368271451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368271451 is an equidigital number, since it uses as much as digits as its factorization.

1368271451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1368271451 is about 36990.1534330422. The cubic root of 1368271451 is about 1110.1732410933.

The spelling of 1368271451 in words is "one billion, three hundred sixty-eight million, two hundred seventy-one thousand, four hundred fifty-one".