74907751109 has 2 divisors, whose sum is σ = 74907751110. Its totient is φ = 74907751108.

The previous prime is 74907751103. The next prime is 74907751207. The reversal of 74907751109 is 90115770947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70382498209 + 4525252900 = 265297^2 + 67270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74907751109 is a prime.

It is a super-2 number, since 2×74907751109² (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 (74907751103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37453875554 + 37453875555.

It is an arithmetic number, because the mean of its divisors is an integer number (37453875555).

Almost surely, 2^74907751109 is an apocalyptic number.

It is an amenable number.

74907751109 is a deficient number, since it is larger than the sum of its proper divisors (1).

74907751109 is an equidigital number, since it uses as much as digits as its factorization.

74907751109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 50.

The spelling of 74907751109 in words is "seventy-four billion, nine hundred seven million, seven hundred fifty-one thousand, one hundred nine".