1494678079 has 2 divisors, whose sum is σ = 1494678080. Its totient is φ = 1494678078.

The previous prime is 1494678077. The next prime is 1494678127. The reversal of 1494678079 is 9708764941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1494678079 - 2¹ = 1494678077 is a prime.

Together with 1494678077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494678077) 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, 747339039 + 747339040.

It is an arithmetic number, because the mean of its divisors is an integer number (747339040).

Almost surely, 2^1494678079 is an apocalyptic number.

1494678079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494678079 is an equidigital number, since it uses as much as digits as its factorization.

1494678079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1494678079 is about 38661.0667079945. The cubic root of 1494678079 is about 1143.3588430438.

It can be divided in two parts, 14946 and 78079, that added together give a square (93025 = 305²).

The spelling of 1494678079 in words is "one billion, four hundred ninety-four million, six hundred seventy-eight thousand, seventy-nine".