79620075349 has 2 divisors, whose sum is σ = 79620075350. Its totient is φ = 79620075348.

The previous prime is 79620075347. The next prime is 79620075391. The reversal of 79620075349 is 94357002697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61000108324 + 18619967025 = 246982^2 + 136455^2 .

It is a cyclic number.

It is not a de Polignac number, because 79620075349 - 2¹ = 79620075347 is a prime.

Together with 79620075347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 79620075296 and 79620075305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79620075341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39810037674 + 39810037675.

It is an arithmetic number, because the mean of its divisors is an integer number (39810037675).

Almost surely, 2^79620075349 is an apocalyptic number.

It is an amenable number.

79620075349 is a deficient number, since it is larger than the sum of its proper divisors (1).

79620075349 is an equidigital number, since it uses as much as digits as its factorization.

79620075349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 79620075349 in words is "seventy-nine billion, six hundred twenty million, seventy-five thousand, three hundred forty-nine".