79301947069 has 2 divisors, whose sum is σ = 79301947070. Its totient is φ = 79301947068.

The previous prime is 79301947037. The next prime is 79301947097. The reversal of 79301947069 is 96074910397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50389025625 + 28912921444 = 224475^2 + 170038^2 .

It is a cyclic number.

It is not a de Polignac number, because 79301947069 - 2⁵ = 79301947037 is a prime.

It is a super-2 number, since 2×79301947069² (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 (79301947099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39650973534 + 39650973535.

It is an arithmetic number, because the mean of its divisors is an integer number (39650973535).

Almost surely, 2^79301947069 is an apocalyptic number.

It is an amenable number.

79301947069 is a deficient number, since it is larger than the sum of its proper divisors (1).

79301947069 is an equidigital number, since it uses as much as digits as its factorization.

79301947069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 79301947069 in words is "seventy-nine billion, three hundred one million, nine hundred forty-seven thousand, sixty-nine".