74895135893 has 16 divisors (see below), whose sum is σ = 80620647984. Its totient is φ = 69316853760.

The previous prime is 74895135881. The next prime is 74895135919. The reversal of 74895135893 is 39853159847.

It can be written as a sum of positive squares in 8 ways, for example, as 910047889 + 73985088004 = 30167^2 + 272002^2 .

It is a cyclic number.

It is not a de Polignac number, because 74895135893 - 2¹⁰ = 74895134869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74895135493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6441221 + ... + 6452837.

It is an arithmetic number, because the mean of its divisors is an integer number (5038790499).

Almost surely, 2^74895135893 is an apocalyptic number.

It is an amenable number.

74895135893 is a deficient number, since it is larger than the sum of its proper divisors (5725512091).

74895135893 is a wasteful number, since it uses less digits than its factorization.

74895135893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912.

The product of its digits is 32659200, while the sum is 62.

The spelling of 74895135893 in words is "seventy-four billion, eight hundred ninety-five million, one hundred thirty-five thousand, eight hundred ninety-three".