7912745645699 has 2 divisors, whose sum is σ = 7912745645700. Its totient is φ = 7912745645698.

The previous prime is 7912745645687. The next prime is 7912745645773. The reversal of 7912745645699 is 9965465472197.

It is an a-pointer prime, because the next prime (7912745645773) can be obtained adding 7912745645699 to its sum of digits (74).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7912745645699 is a prime.

It is a super-3 number, since 3×7912745645699³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (7912745645659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956372822849 + 3956372822850.

It is an arithmetic number, because the mean of its divisors is an integer number (3956372822850).

Almost surely, 2^{7912745645699} is an apocalyptic number.

7912745645699 is a deficient number, since it is larger than the sum of its proper divisors (1).

7912745645699 is an equidigital number, since it uses as much as digits as its factorization.

7912745645699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1028764800, while the sum is 74.

The spelling of 7912745645699 in words is "seven trillion, nine hundred twelve billion, seven hundred forty-five million, six hundred forty-five thousand, six hundred ninety-nine".