916308921079 has 2 divisors, whose sum is σ = 916308921080. Its totient is φ = 916308921078.

The previous prime is 916308921041. The next prime is 916308921091. The reversal of 916308921079 is 970129803619.

916308921079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (970129803619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 916308921079 - 2¹³ = 916308912887 is a prime.

It is a super-2 number, since 2×916308921079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916308921679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458154460539 + 458154460540.

It is an arithmetic number, because the mean of its divisors is an integer number (458154460540).

Almost surely, 2^916308921079 is an apocalyptic number.

916308921079 is a deficient number, since it is larger than the sum of its proper divisors (1).

916308921079 is an equidigital number, since it uses as much as digits as its factorization.

916308921079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 916308921079 in words is "nine hundred sixteen billion, three hundred eight million, nine hundred twenty-one thousand, seventy-nine".