8133379253 has 2 divisors, whose sum is σ = 8133379254. Its totient is φ = 8133379252.

The previous prime is 8133379249. The next prime is 8133379291. The reversal of 8133379253 is 3529733318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4667349124 + 3466030129 = 68318^2 + 58873^2 .

It is a cyclic number.

It is not a de Polignac number, because 8133379253 - 2² = 8133379249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8133379213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066689626 + 4066689627.

It is an arithmetic number, because the mean of its divisors is an integer number (4066689627).

Almost surely, 2^8133379253 is an apocalyptic number.

It is an amenable number.

8133379253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8133379253 is an equidigital number, since it uses as much as digits as its factorization.

8133379253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 8133379253 is about 90185.2496420562. The cubic root of 8133379253 is about 2011.0537326967.

The spelling of 8133379253 in words is "eight billion, one hundred thirty-three million, three hundred seventy-nine thousand, two hundred fifty-three".