1368810487 has 16 divisors (see below), whose sum is σ = 1543541760. Its totient is φ = 1202572800.

The previous prime is 1368810481. The next prime is 1368810493. The reversal of 1368810487 is 7840188631.

It is an interprime number because it is at equal distance from previous prime (1368810481) and next prime (1368810493).

It is a de Polignac number, because none of the positive numbers 2^k-1368810487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368810481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290583 + ... + 295255.

It is an arithmetic number, because the mean of its divisors is an integer number (96471360).

Almost surely, 2^1368810487 is an apocalyptic number.

1368810487 is a deficient number, since it is larger than the sum of its proper divisors (174731273).

1368810487 is a wasteful number, since it uses less digits than its factorization.

1368810487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 1368810487 is about 36997.4389248769. The cubic root of 1368810487 is about 1110.3190076799.

The spelling of 1368810487 in words is "one billion, three hundred sixty-eight million, eight hundred ten thousand, four hundred eighty-seven".