1494517939 has 2 divisors, whose sum is σ = 1494517940. Its totient is φ = 1494517938.

The previous prime is 1494517883. The next prime is 1494517951. The reversal of 1494517939 is 9397154941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1494517939 - 2¹³ = 1494509747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494517439) 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, 747258969 + 747258970.

It is an arithmetic number, because the mean of its divisors is an integer number (747258970).

Almost surely, 2^1494517939 is an apocalyptic number.

1494517939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494517939 is an equidigital number, since it uses as much as digits as its factorization.

1494517939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 52.

The square root of 1494517939 is about 38658.9955767089. The cubic root of 1494517939 is about 1143.3180083813.

The spelling of 1494517939 in words is "one billion, four hundred ninety-four million, five hundred seventeen thousand, nine hundred thirty-nine".