1494343751 has 2 divisors, whose sum is σ = 1494343752. Its totient is φ = 1494343750.

The previous prime is 1494343729. The next prime is 1494343757. The reversal of 1494343751 is 1573434941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1494343751 - 2¹⁰ = 1494342727 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494343699 and 1494343708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494343757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747171875 + 747171876.

It is an arithmetic number, because the mean of its divisors is an integer number (747171876).

Almost surely, 2^1494343751 is an apocalyptic number.

1494343751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494343751 is an equidigital number, since it uses as much as digits as its factorization.

1494343751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 1494343751 is about 38656.7426330776. The cubic root of 1494343751 is about 1143.2735882577.

The spelling of 1494343751 in words is "one billion, four hundred ninety-four million, three hundred forty-three thousand, seven hundred fifty-one".