995736812381 has 4 divisors (see below), whose sum is σ = 995796286752. Its totient is φ = 995677338012.

The previous prime is 995736812359. The next prime is 995736812429. The reversal of 995736812381 is 183218637599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995736812381 is a prime.

It is a super-2 number, since 2×995736812381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995736812311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29712065 + ... + 29745558.

It is an arithmetic number, because the mean of its divisors is an integer number (248949071688).

Almost surely, 2^995736812381 is an apocalyptic number.

It is an amenable number.

995736812381 is a deficient number, since it is larger than the sum of its proper divisors (59474371).

995736812381 is a wasteful number, since it uses less digits than its factorization.

995736812381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59474370.

The product of its digits is 19595520, while the sum is 62.

The spelling of 995736812381 in words is "nine hundred ninety-five billion, seven hundred thirty-six million, eight hundred twelve thousand, three hundred eighty-one".