1933396249 has 2 divisors, whose sum is σ = 1933396250. Its totient is φ = 1933396248.

The previous prime is 1933396181. The next prime is 1933396253. The reversal of 1933396249 is 9426933391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1564756249 + 368640000 = 39557^2 + 19200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1933396249 - 2¹¹ = 1933394201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1933396259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966698124 + 966698125.

It is an arithmetic number, because the mean of its divisors is an integer number (966698125).

Almost surely, 2^1933396249 is an apocalyptic number.

It is an amenable number.

1933396249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1933396249 is an equidigital number, since it uses as much as digits as its factorization.

1933396249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 49.

The square root of 1933396249 is about 43970.4019654131. The cubic root of 1933396249 is about 1245.7769485228.

The spelling of 1933396249 in words is "one billion, nine hundred thirty-three million, three hundred ninety-six thousand, two hundred forty-nine".