8130193453 has 2 divisors, whose sum is σ = 8130193454. Its totient is φ = 8130193452.

The previous prime is 8130193447. The next prime is 8130193501. The reversal of 8130193453 is 3543910318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8020635364 + 109558089 = 89558^2 + 10467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8130193453 is a prime.

It is a super-2 number, since 2×8130193453² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8130193153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065096726 + 4065096727.

It is an arithmetic number, because the mean of its divisors is an integer number (4065096727).

Almost surely, 2^8130193453 is an apocalyptic number.

It is an amenable number.

8130193453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130193453 is an equidigital number, since it uses as much as digits as its factorization.

8130193453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 8130193453 is about 90167.5853785605. The cubic root of 8130193453 is about 2010.7911255044.

The spelling of 8130193453 in words is "eight billion, one hundred thirty million, one hundred ninety-three thousand, four hundred fifty-three".