1368573431 has 2 divisors, whose sum is σ = 1368573432. Its totient is φ = 1368573430.

The previous prime is 1368573377. The next prime is 1368573443. The reversal of 1368573431 is 1343758631.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1343758631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368573431 is a prime.

It is a super-2 number, since 2×1368573431² = 3745986472078223522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368573631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684286715 + 684286716.

It is an arithmetic number, because the mean of its divisors is an integer number (684286716).

Almost surely, 2^1368573431 is an apocalyptic number.

1368573431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368573431 is an equidigital number, since it uses as much as digits as its factorization.

1368573431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 1368573431 is about 36994.2351049457. The cubic root of 1368573431 is about 1110.2549075041.

The spelling of 1368573431 in words is "one billion, three hundred sixty-eight million, five hundred seventy-three thousand, four hundred thirty-one".