1926323947 has 2 divisors, whose sum is σ = 1926323948. Its totient is φ = 1926323946.

The previous prime is 1926323909. The next prime is 1926323969. The reversal of 1926323947 is 7493236291.

It is a strong prime.

It is an emirp because it is prime and its reverse (7493236291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1926323947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1926323897 and 1926323906.

It is not a weakly prime, because it can be changed into another prime (1926323747) 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, 963161973 + 963161974.

It is an arithmetic number, because the mean of its divisors is an integer number (963161974).

Almost surely, 2^1926323947 is an apocalyptic number.

1926323947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1926323947 is an equidigital number, since it uses as much as digits as its factorization.

1926323947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 1926323947 is about 43889.9071199746. The cubic root of 1926323947 is about 1244.2560884386.

The spelling of 1926323947 in words is "one billion, nine hundred twenty-six million, three hundred twenty-three thousand, nine hundred forty-seven".