1427240699 has 2 divisors, whose sum is σ = 1427240700. Its totient is φ = 1427240698.

The previous prime is 1427240669. The next prime is 1427240719. The reversal of 1427240699 is 9960427241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427240699 - 2²⁸ = 1158805243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427240609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713620349 + 713620350.

It is an arithmetic number, because the mean of its divisors is an integer number (713620350).

Almost surely, 2^1427240699 is an apocalyptic number.

1427240699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427240699 is an equidigital number, since it uses as much as digits as its factorization.

1427240699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1427240699 is about 37778.8393019161. The cubic root of 1427240699 is about 1125.8980678192.

The spelling of 1427240699 in words is "one billion, four hundred twenty-seven million, two hundred forty thousand, six hundred ninety-nine".