74426959513 has 2 divisors, whose sum is σ = 74426959514. Its totient is φ = 74426959512.

The previous prime is 74426959471. The next prime is 74426959561. The reversal of 74426959513 is 31595962447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48612753289 + 25814206224 = 220483^2 + 160668^2 .

It is a cyclic number.

It is not a de Polignac number, because 74426959513 - 2¹³ = 74426951321 is a prime.

It is not a weakly prime, because it can be changed into another prime (74426959573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37213479756 + 37213479757.

It is an arithmetic number, because the mean of its divisors is an integer number (37213479757).

Almost surely, 2^74426959513 is an apocalyptic number.

It is an amenable number.

74426959513 is a deficient number, since it is larger than the sum of its proper divisors (1).

74426959513 is an equidigital number, since it uses as much as digits as its factorization.

74426959513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The spelling of 74426959513 in words is "seventy-four billion, four hundred twenty-six million, nine hundred fifty-nine thousand, five hundred thirteen".