1396921303 has 2 divisors, whose sum is σ = 1396921304. Its totient is φ = 1396921302.

The previous prime is 1396921259. The next prime is 1396921313. The reversal of 1396921303 is 3031296931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396921303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396921313) 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, 698460651 + 698460652.

It is an arithmetic number, because the mean of its divisors is an integer number (698460652).

Almost surely, 2^1396921303 is an apocalyptic number.

1396921303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396921303 is an equidigital number, since it uses as much as digits as its factorization.

1396921303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 1396921303 is about 37375.4104057735. The cubic root of 1396921303 is about 1117.8683154179.

The spelling of 1396921303 in words is "one billion, three hundred ninety-six million, nine hundred twenty-one thousand, three hundred three".