7912912937 has 2 divisors, whose sum is σ = 7912912938. Its totient is φ = 7912912936.

The previous prime is 7912912849. The next prime is 7912912949. The reversal of 7912912937 is 7392192197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7037699881 + 875213056 = 83891^2 + 29584^2 .

It is a cyclic number.

It is not a de Polignac number, because 7912912937 - 2²⁸ = 7644477481 is a prime.

It is a super-2 number, since 2×7912912937² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7912912237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956456468 + 3956456469.

It is an arithmetic number, because the mean of its divisors is an integer number (3956456469).

Almost surely, 2^7912912937 is an apocalyptic number.

It is an amenable number.

7912912937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7912912937 is an equidigital number, since it uses as much as digits as its factorization.

7912912937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 50.

The square root of 7912912937 is about 88954.5554595154. Note that the first 3 decimals coincide. The cubic root of 7912912937 is about 1992.7162504483.

The spelling of 7912912937 in words is "seven billion, nine hundred twelve million, nine hundred twelve thousand, nine hundred thirty-seven".