79794851453 has 2 divisors, whose sum is σ = 79794851454. Its totient is φ = 79794851452.

The previous prime is 79794851443. The next prime is 79794851467. The reversal of 79794851453 is 35415849797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61445981689 + 18348869764 = 247883^2 + 135458^2 .

It is a cyclic number.

It is not a de Polignac number, because 79794851453 - 2¹⁴ = 79794835069 is a prime.

It is a super-2 number, since 2×79794851453² (a number of 23 digits) contains 22 as substring.

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 (79794851443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39897425726 + 39897425727.

It is an arithmetic number, because the mean of its divisors is an integer number (39897425727).

Almost surely, 2^79794851453 is an apocalyptic number.

It is an amenable number.

79794851453 is a deficient number, since it is larger than the sum of its proper divisors (1).

79794851453 is an equidigital number, since it uses as much as digits as its factorization.

79794851453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38102400, while the sum is 62.

The spelling of 79794851453 in words is "seventy-nine billion, seven hundred ninety-four million, eight hundred fifty-one thousand, four hundred fifty-three".