1010816249 has 2 divisors, whose sum is σ = 1010816250. Its totient is φ = 1010816248.

The previous prime is 1010816171. The next prime is 1010816269. The reversal of 1010816249 is 9426180101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620358649 + 390457600 = 24907^2 + 19760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010816249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1010816269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505408124 + 505408125.

It is an arithmetic number, because the mean of its divisors is an integer number (505408125).

Almost surely, 2^1010816249 is an apocalyptic number.

It is an amenable number.

1010816249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010816249 is an equidigital number, since it uses as much as digits as its factorization.

1010816249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1010816249 is about 31793.3365502899. The cubic root of 1010816249 is about 1003.5924948591.

The spelling of 1010816249 in words is "one billion, ten million, eight hundred sixteen thousand, two hundred forty-nine".