74949589915163 has 2 divisors, whose sum is σ = 74949589915164. Its totient is φ = 74949589915162.

The previous prime is 74949589915121. The next prime is 74949589915219. The reversal of 74949589915163 is 36151998594947.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36151998594947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74949589915163 - 2¹⁰ = 74949589914139 is a prime.

It is a super-2 number, since 2×74949589915163² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74949589915463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37474794957581 + 37474794957582.

It is an arithmetic number, because the mean of its divisors is an integer number (37474794957582).

Almost surely, 2^{74949589915163} is an apocalyptic number.

74949589915163 is a deficient number, since it is larger than the sum of its proper divisors (1).

74949589915163 is an equidigital number, since it uses as much as digits as its factorization.

74949589915163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2645395200, while the sum is 80.

The spelling of 74949589915163 in words is "seventy-four trillion, nine hundred forty-nine billion, five hundred eighty-nine million, nine hundred fifteen thousand, one hundred sixty-three".