74422923109 has 2 divisors, whose sum is σ = 74422923110. Its totient is φ = 74422923108.

The previous prime is 74422923101. The next prime is 74422923121. The reversal of 74422923109 is 90132922447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58859612100 + 15563311009 = 242610^2 + 124753^2 .

It is a cyclic number.

It is not a de Polignac number, because 74422923109 - 2³ = 74422923101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74422923101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37211461554 + 37211461555.

It is an arithmetic number, because the mean of its divisors is an integer number (37211461555).

Almost surely, 2^74422923109 is an apocalyptic number.

It is an amenable number.

74422923109 is a deficient number, since it is larger than the sum of its proper divisors (1).

74422923109 is an equidigital number, since it uses as much as digits as its factorization.

74422923109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 74422923109 in words is "seventy-four billion, four hundred twenty-two million, nine hundred twenty-three thousand, one hundred nine".