1314012989 has 2 divisors, whose sum is σ = 1314012990. Its totient is φ = 1314012988.

The previous prime is 1314012967. The next prime is 1314013003. The reversal of 1314012989 is 9892104131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1250683225 + 63329764 = 35365^2 + 7958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314012989 - 2¹² = 1314008893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314012949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657006494 + 657006495.

It is an arithmetic number, because the mean of its divisors is an integer number (657006495).

Almost surely, 2^1314012989 is an apocalyptic number.

It is an amenable number.

1314012989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314012989 is an equidigital number, since it uses as much as digits as its factorization.

1314012989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1314012989 is about 36249.3170832224. The cubic root of 1314012989 is about 1095.3003322610.

The spelling of 1314012989 in words is "one billion, three hundred fourteen million, twelve thousand, nine hundred eighty-nine".