1368335461 has 2 divisors, whose sum is σ = 1368335462. Its totient is φ = 1368335460.

The previous prime is 1368335413. The next prime is 1368335471. The reversal of 1368335461 is 1645338631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 971568900 + 396766561 = 31170^2 + 19919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368335461 - 2¹¹ = 1368333413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368335471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684167730 + 684167731.

It is an arithmetic number, because the mean of its divisors is an integer number (684167731).

Almost surely, 2^1368335461 is an apocalyptic number.

It is an amenable number.

1368335461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368335461 is an equidigital number, since it uses as much as digits as its factorization.

1368335461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 1368335461 is about 36991.0186531812. The cubic root of 1368335461 is about 1110.1905527364.

The spelling of 1368335461 in words is "one billion, three hundred sixty-eight million, three hundred thirty-five thousand, four hundred sixty-one".