79098206269 has 2 divisors, whose sum is σ = 79098206270. Its totient is φ = 79098206268.

The previous prime is 79098206249. The next prime is 79098206279. The reversal of 79098206269 is 96260289097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74877755044 + 4220451225 = 273638^2 + 64965^2 .

It is a cyclic number.

It is not a de Polignac number, because 79098206269 - 2¹¹ = 79098204221 is a prime.

It is a super-2 number, since 2×79098206269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79098206249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39549103134 + 39549103135.

It is an arithmetic number, because the mean of its divisors is an integer number (39549103135).

Almost surely, 2^79098206269 is an apocalyptic number.

It is an amenable number.

79098206269 is a deficient number, since it is larger than the sum of its proper divisors (1).

79098206269 is an equidigital number, since it uses as much as digits as its factorization.

79098206269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 79098206269 in words is "seventy-nine billion, ninety-eight million, two hundred six thousand, two hundred sixty-nine".