1396654487 has 2 divisors, whose sum is σ = 1396654488. Its totient is φ = 1396654486.

The previous prime is 1396654453. The next prime is 1396654537. The reversal of 1396654487 is 7844566931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396654487 - 2⁶ = 1396654423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396654087) 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, 698327243 + 698327244.

It is an arithmetic number, because the mean of its divisors is an integer number (698327244).

Almost surely, 2^1396654487 is an apocalyptic number.

1396654487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396654487 is an equidigital number, since it uses as much as digits as its factorization.

1396654487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 1396654487 is about 37371.8408296942. The cubic root of 1396654487 is about 1117.7971388613.

The spelling of 1396654487 in words is "one billion, three hundred ninety-six million, six hundred fifty-four thousand, four hundred eighty-seven".