73195213853881 has 12 divisors (see below), whose sum is σ = 85196530001808. Its totient is φ = 62701118936232.

The previous prime is 73195213853869. The next prime is 73195213853897. The reversal of 73195213853881 is 18835831259137.

It is not a de Polignac number, because 73195213853881 - 2⁹ = 73195213853369 is a prime.

It is a super-2 number, since 2×73195213853881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73195213853381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447962671 + ... + 448126036.

It is an arithmetic number, because the mean of its divisors is an integer number (7099710833484).

Almost surely, 2^{73195213853881} is an apocalyptic number.

It is an amenable number.

73195213853881 is a deficient number, since it is larger than the sum of its proper divisors (12001316147927).

73195213853881 is a wasteful number, since it uses less digits than its factorization.

73195213853881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896090388 (or 896090381 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

The spelling of 73195213853881 in words is "seventy-three trillion, one hundred ninety-five billion, two hundred thirteen million, eight hundred fifty-three thousand, eight hundred eighty-one".