1494438923 has 2 divisors, whose sum is σ = 1494438924. Its totient is φ = 1494438922.

The previous prime is 1494438877. The next prime is 1494438937. The reversal of 1494438923 is 3298344941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1494438923 - 2⁸ = 1494438667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1494438973) 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, 747219461 + 747219462.

It is an arithmetic number, because the mean of its divisors is an integer number (747219462).

Almost surely, 2^1494438923 is an apocalyptic number.

1494438923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494438923 is an equidigital number, since it uses as much as digits as its factorization.

1494438923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 1494438923 is about 38657.9736018328. The cubic root of 1494438923 is about 1143.2978587385.

The spelling of 1494438923 in words is "one billion, four hundred ninety-four million, four hundred thirty-eight thousand, nine hundred twenty-three".