795581391898 has 4 divisors (see below), whose sum is σ = 1193372087850. Its totient is φ = 397790695948.

The previous prime is 795581391893. The next prime is 795581391947. The reversal of 795581391898 is 898193185597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898193185597 = 4153 ⋅216275749.

It can be written as a sum of positive squares in only one way, i.e., 409079205649 + 386502186249 = 639593^2 + 621693^2 .

It is a super-2 number, since 2×795581391898² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 795581391898.

It is not an unprimeable number, because it can be changed into a prime (795581391893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198895347973 + ... + 198895347976.

Almost surely, 2^795581391898 is an apocalyptic number.

795581391898 is a deficient number, since it is larger than the sum of its proper divisors (397790695952).

795581391898 is a wasteful number, since it uses less digits than its factorization.

795581391898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397790695951.

The product of its digits is 195955200, while the sum is 73.

The spelling of 795581391898 in words is "seven hundred ninety-five billion, five hundred eighty-one million, three hundred ninety-one thousand, eight hundred ninety-eight".