1995364814651 has 8 divisors (see below), whose sum is σ = 2149033045824. Its totient is φ = 1841722102080.

The previous prime is 1995364814647. The next prime is 1995364814669. The reversal of 1995364814651 is 1564184635991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995364814651 - 2² = 1995364814647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995364814621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6217091 + ... + 6530156.

It is an arithmetic number, because the mean of its divisors is an integer number (268629130728).

Almost surely, 2^{1995364814651} is an apocalyptic number.

1995364814651 is a deficient number, since it is larger than the sum of its proper divisors (153668231173).

1995364814651 is a wasteful number, since it uses less digits than its factorization.

1995364814651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759301.

The product of its digits is 27993600, while the sum is 62.

The spelling of 1995364814651 in words is "one trillion, nine hundred ninety-five billion, three hundred sixty-four million, eight hundred fourteen thousand, six hundred fifty-one".