1427287013 has 2 divisors, whose sum is σ = 1427287014. Its totient is φ = 1427287012.

The previous prime is 1427287009. The next prime is 1427287019. The reversal of 1427287013 is 3107827241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902281444 + 525005569 = 30038^2 + 22913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427287013 - 2² = 1427287009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427287019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713643506 + 713643507.

It is an arithmetic number, because the mean of its divisors is an integer number (713643507).

Almost surely, 2^1427287013 is an apocalyptic number.

It is an amenable number.

1427287013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427287013 is an equidigital number, since it uses as much as digits as its factorization.

1427287013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1427287013 is about 37779.4522591316. The cubic root of 1427287013 is about 1125.9102461619.

The spelling of 1427287013 in words is "one billion, four hundred twenty-seven million, two hundred eighty-seven thousand, thirteen".